BRC-1
BRAKE CONTROL SYSTEM
F BRAKES
CONTENTS
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SECTION
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BRC
BRAKE CONTROL SYSTEM
4WD/ABS
PRECAUTIONS .......................................................... 4
Precautions for brake system ................................... 4
Precautions for brake control ................................... 4
PREPARATION ........................................................... 5
Special Service Tool ................................................. 5
Commercial Service Tool ......................................... 5
ALL MODE 4X4 SYSTEM .......................................... 6
System Description .................................................. 6
ABS FUNCTION ................................................... 6
4WD FUNCTION ................................................... 6
Control System Diagram .......................................... 6
TROUBLE DIAGNOSIS .............................................. 7
Fail-safe Function ..................................................... 7
How to Proceed with Trouble Diagnosis .................. 7
BASIC CONCEPT ................................................. 7
DIAGNOSIS FLOW ............................................... 8
ASKING COMPLAINTS ........................................ 9
TROUBLE DIAGNOSIS SHEET - EXAMPLE ....... 9
Component Parts Location ..................................... 10
Schematic ............................................................... 11
Wiring Diagram — ABS — ..................................... 12
Trouble Diagnosis Chart by Symptom .................... 18
4WD/ABS Control Unit Input/Output Signal Stan-
dard ........................................................................ 19
4WD/ABS CONTROL UNIT CONNECTOR TER-
MINAL ARRANGEMENT .................................... 19
REFERENCE STANDARD TABLE ..................... 19
CONSULT-II Functions ........................................... 23
CONSULT-II FUNCTION APPLICATION TABLE ... 23
SELF-DIAGNOSIS .............................................. 24
DATA MONITOR ................................................. 26
ACTIVE TEST ..................................................... 29
Component Inspection ........................................... 30
ABS ACTUATOR ................................................ 30
4WD SOLENOID VALVE .................................... 32
Basic Inspection ..................................................... 32
BASIC INSPECTION 1 BRAKE FLUID LEVEL
AND LEAKAGE INSPECTION ............................ 32
BASIC INSPECTION 2 INSPECTION FOR LOOSE POWER SUPPLY TERMINAL ............... 32
BASIC INSPECTION 3 ABS/4WD WARNING
LAMP INSPECTION ............................................ 32
Wheel Sensor System ............................................ 32
INSPECTION PROCEDURE .............................. 32
Control Unit Power Supply System ........................ 34
INSPECTION PROCEDURE .............................. 34
G -Sensor System (4WD models) .......................... 34
INSPECTION PROCEDURE .............................. 34
4WD Solenoid, Actuator Relay System .................. 35
4WD Mode Switch System ..................................... 37
Trouble Diagnoses for Symptoms .......................
... 38
4WD INDICATOR LAMP DOES NOT COME ON
FOR APPROXIMATELY 1 SECOND WHEN THE
IGNITION SWITCH IS TURNED TO ON ............. 38
4WD WARNING LAMP DOES NOT ILLUMINATE
WITH IGNITION ON ............................................ 39
4WD WARNING LAMP DOES NOT GO OUT
SEVERAL SECONDS AFTER ENGINE
STARTED.(4WD MODE INDICATOR LAMP
GOES OUT) ........................................................ 39
HEAVY TIGHT-CORNER BRAKING SYMPTOM
OCCURS WHEN THE VEHICLE IS DRIVEN IN
AUTO MODE AND THE STEERING WHEEL IS
TURNED FULLY TO EITHER SIDE AFTER THE
ENGINE IS STARTED ......................................... 39
4WD MODES CANNOT BE SWITCHED AFTER
ENGINE IS STARTED ......................................... 41
WHILE DRIVING, 4WD WARNING LAMP
FLASHES RAPIDLY. (WHEN IT FLASHERS FOR
APPROX. ONE MINUTE, THEN DOES NOT
ILLUMINATE.) ..................................................... 41
WHILE DRIVING, 4WD WARNING LAMP
FLASHES SLOWLY. (WHEN IT CONTINUES TO
ILLUMINATE UNTIL ENGINE TURNS OFF.) ...... 41
VEHICLE DOES NOT ENTER 4WD MODE
EVEN THOUGH 4WD WARNING LAMP IS OFF. ... 41
TIGHT-CORNER BRAKING SYMPTOM
OCCURS WHEN THE VEHICLE IS STARTED IN
AUTO WARNING LAMP REMAIN OFF). ............ 42
BRC-2
4WD ACTUATOR RELAY (4WD SOLENOID
A C T U AT O R R E L AY ) T U R N S O N / O F F F R E -
QUENTLY ............................................................ 42
ABS Warning Lamp Does Not Illuminate. (ABS
Warning Lamp Does Not Come On When The Igni-
tion Switch Is Turned ON.) ...................................... 42
ABS Warning Lamp Illuminates With Ignition ON,
But Does Not Illuminates After A Few Seconds.
(ABS Warning Lamp Has Illuminated.) ................... 42
4WD Warning Lamp Does Not Illuminate With Igni-
tion ON. .................................................................. 43
4WD Warning Lamp Does Not Go Out Several Sec-
onds After Engine Is Started. (Drive Mode Indicator
Lamp Goes Out.) .................................................... 43
Heavy Tight-corner Braking Symptom Occurs
When The Vehicle Is Driven In Auto Mode And The
Steering Wheel Is Turned Fully To Either Side After
The Engine Is Started. ............................................ 44
Drive Modes Cannot Be Switched After Engine Is
Started. ................................................................... 45
Wheel Driving, 4WD Warning Lamp Flashes Rap-
idly. (When It Flashes For Approx. One Minute, Then
Does Not Illuminate.) .............................................. 45
Wheel Driving, 4WD Warning Lamp Flashes Slowly.
(When It Continues To Illuminate Until Engine Turns
OFF.) ....................................................................... 45
Vehicle Does Not Enter 4WD Mode Even Though
4WD Warning Lamp Is OFF. ................................... 46
Tight-corner Braking Symptom Occurs When The
Vehicle Is Started In Auto Mode (4WD Warning
Lamp Remain OFF). ............................................... 46
E-TS Actuator Relay (4WD Solenoid Actuator
Relay) Turns ON/OFF Frequently. .......................... 46
Inspection Of Drive Mode Change-over Switch Path ... 47
4WD/ABS CONTROL UNIT ...................................... 48
Removal and Installation ........................................ 48
REMOVAL ........................................................... 48
INSTALLATION .................................................... 48
WHEEL SENSORS ................................................... 49
Removal and Installation ........................................ 49
G-SENSOR (4WD MODEL ONLY) ............................ 50
Removal and Installation ........................................ 50
SENSOR ROTOR ................................................... ... 51
Removal and Installation ........................................ 51
REMOVAL ........................................................... 51
INSTALLATION .................................................... 51
ACTUATOR ............................................................... 52
Removal and Installation ........................................ 52
REMOVAL ........................................................... 53
INSTALLATION .................................................... 53
ESP/TCS/ABS
PRECAUTIONS ......................................................... 54
Precautions for Brake System ................................ 54
Precautions for Brake Control ................................ 54
Precautions for CAN System .................................. 54
FOR INSPECTION .............................................. 54
FOR HARNESS REPAIR .................................... 55PREPARATION ......................................................... 56
Special Service Tool ................................................ 56
Commercial Service Tool ........................................ 56
ON-VEHICLE SERVICE ............................................ 57
Adjustment of Neutral Position of Steering Wheel
Angle Sensor .......................................................... 57
GENERAL INFORMATION ....................................... 59
Fail-Safe .................................................................. 59
ABS SYSTEM ...................................................... 59
ESP/TCS SYSTEM .............................................. 59
Hydraulic Circuit ...................................................... 59
ABS Functions ........................................................ 59
TCS Functions ........................................................ 60
ESP Functions ........................................................ 60
System Diagram ..................................................... 61
CAN COMMUNICATION ........................................... 62
System Description ................................................. 62
FOR A/T MODELS ............................................... 62
FOR M/T MODELS .............................................. 62
TROUBLE DIAGNOSIS ............................................ 64
How to Perform Trouble Diagnoses for Quick and
Accurate Repair ...................................................... 64
INTRODUCTION ................................................. 64
WORK FLOW ...................................................... 65
ASKING COMPLAINTS ....................................... 66
EXAMPLE OF DIAGNOSIS SHEET .................... 66
Component Parts and Harness Connector Location ... 67
Schematic ............................................................... 68
Wiring Diagram —ESP/TCS/ABS— ..................... 69
Control Unit Input/Output Signal Standard .............. 75
STANDARDS USING A CIRCUIT TESTER AND
OSCILLOSCOPE ................................................. 75
STANDARDS WITH CONSULT-II ........................ 78
Functions of CONSULT-II ....................................... 80
CONSULT-II MAINLY FUNCTION APPLICA-
TION TO ESP/TCS/ABS ...................................... 80
SELF-DIAGNOSIS ............................................... 81
DATA MONITOR .................................................. 83
ACTIVE TEST ...................................................... 87
For Correct and Quick Diagnosis ............................ 90
PRECAUTIONS FOR TROUBLE DIAGNOSIS ... 90
Basic Inspection ...................................................... 91
PRELIMINARY CHECK 1: (BRAKE FLUID
LEVEL AND LEAK INSPECTION) ....................... 91
PRELIMINARY CHECK 2: (INSPECTION FOR
LOOSE POWER SUPPLY TERMINAL) ............... 92
PRELIMINARY CHECK 3: (INSPECTION FOR
ABS WARNING LAMP, ESP OFF INDICATOR
LAMP, AND SLIP INDICATOR LAMP) ................. 92
Inspection 1 Wheel Sensor and Circuit ................... 92
Inspection 2 Engine System ................................... 94
Inspection 3 ESP/TCS/ABS Control Unit System ... 94
Inspection 4 Pressure Sensor and the Circuit
between Pressure Sensor and ESP/TCS/ABS Con-
trol Unit. ................................................................... 95
Inspection 5 Steering wheel Angle Sensor and the
Circuit between Steering Wheel Angle Sensor and
ESP/TCS/ABS Control Unit. ................................... 96
Inspection 6 Yaw Rate Sensor and Side G sensor
BRC-3
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BRC and the Circuit between Yaw Rate Sensor and Side
G sensor and ESP/TCS/ABS Control Unit. ............ 98
Inspection 7 Solenoid Valve, ESP Switch-over Sole-
noid Valve and Circuit ......................................... ... 99
Inspection 8 Actuator Motor, Motor Relay and Circuit
. 102
Inspection 9 Actuator Relay and Circuit ............... 104
Inspection 10 Stop Lamp Switch and Circuit ........ 106
Inspection 11 ESP/TCS/ABS Control Unit Power
Supply Circuit ....................................................... 106
Inspection 12 When “EMERGENCY BRAKE” is
indicated in the Self-Diagnosis Results ................ 108
Inspection 13 When “ST ANG SEN SIGNAL” is Indi-
cated in the Self-Diagnosis Results .....................108
Inspection 14 Brake Fluid Level of Reservoir Tank,
Communication Circuit between ESP/TCS/ABS
Control Unit and Brake Fluid Level Warning Switch . 109
Inspection 15 CAN Communication Circuit, ESP/
TCS/ABS Control Unit and Steering Wheel Angle
Sensor ................................................................... 110
Component Check ............................................... . 111
ESP OFF SWITCH ............................................ . 111
ESP RELAY BOX .............................................. . 111
ESP ACTUATOR ............................................... 112
Symptom 1: ABS Works Frequently. ..................... 114
Symptom 2: Unexpected Pedal Action .................. 114
Symptom 3: Longer Stopping Distance ................. 115
Symptom 4: ABS Does Not Work. ........................ 116Symptom 5: Pedal Vibration and Noise ................116
Symptom 6: ESP OFF Indicator Lamp Does Not Illu-
minate ...................................................................117
Symptom 7: SLIP Indicator Lamp Does Not Illumi-
nate .......................................................................118
Symptom 8: During ESP/TCS/ABS Control, Vehicle
Behavior is Jerky. .................................................118
ESP/TCS/ABS CONTROL UNIT ............................120
Removal and Installation ......................................120
REMOVAL .........................................................120
INSTALLATION .................................................120
WHEEL SPEED SENSORS ....................................121
Removal and Installation ......................................121
SENSOR ROTOR ...................................................122
Removal and Installation ......................................122
REMOVAL .........................................................122
INSTALLATION .................................................122
ESP/TCS/ABS ACTUATOR AND RELAY BOX .....123
Removal and Installation ......................................123
YAW RATE/SIDE G SENSOR .................................124
Removal and Installation ......................................124
REMOVAL .........................................................124
INSTALLATION .................................................124
ESP OFF SWITCH ................................................. .125
Removal and Installation ......................................125
REMOVAL .........................................................125
INSTALLATION .................................................125
TROUBLE DIAGNOSIS
BRC-19
[4WD/ABS]
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BRC
CAUTION:
1. Light tight-corner braking symptom may occur depending on driving conditions in AUTO mode.
This is not malfunction.
2. Heavy tight-corner braking symptom occurs when vehicle is driven in the following conditions:
LOCK mode, steering wheel is turned fully to either sides, and accelerator pedal was depressed.
4WD/ABS Control Unit Input/Output Signal StandardEFS001BG
4WD/ABS CONTROL UNIT CONNECTOR TERMINAL ARRANGEMENT
CAUTION:
When ignition switch is turned to ON with connectors of 4WD/ABS control unit and actuator con-
nected.
REFERENCE STANDARD TABLE
Specifications defined by circuit tester
Vehicle running, 4WD warning lamp
flashes slowly. (When it flashes for
Approx. One minute, then does not illu-
minate.) slow flashing: One flashing
per 2 seconds●Engine run-
ning
●Driving at
vehicle speed
30km/h (19
MPH)Tire size is different for front and rear of vehicle.BRC-45
Vehicle does not enter 4WD mode
even though 4WD warning lamp is off.Engine runningMechanical malfunction of electronically con-
trolled coupling (Mechanical engagement of
clutch is not possible.)BRC-46
Symptom Condition Check items Reference page
SFIA0351E
Te r m i n a l N o .
Location Standard (note 1)(Note) Check
points when result
was malfunctioning +–
3.
109Power supply Ignition switch ONB a t t e ry v o lta g e ( A p p ro x .
12V)Control unit power
supply circuit
TROUBLE DIAGNOSIS
BRC-39
[4WD/ABS]
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4WD WARNING LAMP DOES NOT ILLUMINATE WITH IGNITION ON
1.INSPECTION OF BLOWN FUSE BETWEEN IGNITION SWITCH AND COMBINATION METER
Check blown fuse between ignition switch and combination meter.
OK or NG
OK >> GO TO 2 (No blown fuse)
NG >> Replace the fuse and perform the inspection again.
2.COMBINATION METER POWER SUPPLY CIRCUIT INSPECTION
1. Disconnect combination meter connector.
2. Check voltage between the combination meter harness connector M46 terminal No. LHD models: 46 (W/
L) RHD models: 59 (W/L) and body ground.
OK or NG
OK >> Malfunctioning combination meter.
NG >> Check fuse 10A [#11] to combination meter harness and connector.
4WD WARNING LAMP DOES NOT GO OUT SEVERAL SECONDS AFTER ENGINE
STARTED.(4WD MODE INDICATOR LAMP GOES OUT)
1.PERFORM SELF-DIAGNOSIS
Using CONSULT-II perform self-diagnosis.
OK or NG
OK >> No malfunction detected. Perform inspection again.
NG >>
●Determine the location of the malfunction according to the result of Self-diagnosis using CON-
SULT-II. (Malfunction is present in the 4WD system.)
●CONSULT-II does not display 4WD system-related trouble codes. GO TO 2.
2.4WD CONTROL UNIT CONNECTOR CONNECTION INSPECTION
●Check 4WD/ABS control unit connector for proper connection.
OK or NG
OK >> Reconnect the 4WD/ABS control unit connector properly and perform inspection again.
NG >> Repair or replace the connector.
HEAVY TIGHT-CORNER BRAKING SYMPTOM OCCURS WHEN THE VEHICLE IS DRIVEN IN
AUTO MODE AND THE STEERING WHEEL IS TURNED FULLY TO EITHER SIDE AFTER THE
ENGINE IS STARTED
1.PERFORM SELF-DIAGNOSIS
Using CONSULT-II perform self-diagnosis.
OK or NG
OK >> GO TO 2. (No self-diagnosis malfunction indicated.)
NG >> Determine the location of the malfunction according to the result of Self-diagnosis using CON-
SULT-II. (Malfunction is present in the 4WD system.)
TROUBLE DIAGNOSIS
BRC-75
[ESP/TCS/ABS]
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Control Unit Input/Output Signal StandardEFS001A6
STANDARDS USING A CIRCUIT TESTER AND OSCILLOSCOPE
CAUTION:
Connect the connectors for the ESP/TCS/ABS control unit and actuator, and turn the ignition switch
ON.
SFIA0896E
Measure-
ment termi-
nalMeasuring point Standard value (Note 1)(Reference) Check
items for malfunc-
tion
+–
1
Body
groundPower supply Ignition switch ON Battery voltage (Approx. 12V)
Control unit power
supply circuit
2Actuator motor relay,
actuator relay power
supply and steering
wheel angle sensor
power supplyIgnition switch ON Battery voltage (Approx. 12V)
7 Actuator motor relayActuator motor being driven
(“Active test ”mode with CON-
SULT-II)Approx. 0V
Actuator motor,
motor relay, and
circuit
Actuator motor while the vehicle
is stoppedBattery voltage (Approx. 12V)
36 Actuator relayWhen actuator relay is active.
(the engine running)Approx. 0V
Actuator relay and
circuit
When actuator relay is inactive.
(Fail-safe, engine starts.)Battery voltage (Approx. 12V)
20 Actuator motor monitorWhen actuator relay is active.
(the engine running)Battery voltage (Approx. 12V)
Actuator motor
monitor circuit
When actuator relay is inactive.
(Fail-safe, engine starts.)Approx. 0V
3
Body
groundFront LH wheel outlet
solenoid valve
Solenoid valve activated
(In “active test” mode of CON-
SULT-II) or actuator relay inac-
tive (in fail-safe mode)
When solenoid valve is inactive
and actuator relay active (when
ignition switch ON)Approx. 0V
Battery voltage (Approx. 12V)Solenoid valve and
circuit 4Rear RH wheel outlet
solenoid valve
5Front LH wheel inlet
solenoid valve
6Rear RH wheel inlet
solenoid valve
25Rear LH wheel outlet
solenoid valve
26Front RH wheel inlet
solenoid valve
53Rear LH wheel inlet sole-
noid valve
55Front RH wheel outlet
solenoid valve
BRC-78
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS
OFF: Approximately 0.5 seconds after the ignition switch is turned ON (when the system is in normal operation) or when ESP OFF
switch is OFF.
(Note 5): SLIP indicator lamp ON/OFF timing
ON: For approximately 0.5 seconds after the ignition switch is turned ON, or when a malfunction is detected.
OFF: Approximately 0.5 seconds after the ignition switch is turned ON (when the system is in normal operation) and ESP/TCS function
is not activated.
Flashing: ESP/TCS function is active during driving.
STANDARDS WITH CONSULT-II
CAUTION:
The displayed item is the data calculated by the control unit, so it may indicate a normal value even if
an output circuit (harness) is open or shorted.
Data monitor item ContentsData monitor
(Reference) Check items
for malfunction
ConditionReference value in
normal operation
FR RH SENSOR
FR LH SENSOR
RR RH SENSOR
RR LH SENSORWheel speed Vehicle stopped 0 [km/h (MPH)]
Wheel sensor circuit
During driving (Note 1)Almost in accor-
dance with the
speedometer dis-
play (within ±10%)
ACCEL POS SIGOpen/close condition
of throttle valve (linked
with accelerator pedal)Accelerator pedal not
depressed (ignition switch is
ON)0%Control unit communica-
tion circuit between the
ESP/TCS/ABS control
unit and ECM Accelerator pedal depressed
(ignition switch is ON)0 – 100%
ENG RPMWith the engine run-
ningWith the engine stopped 0rpm
Engine speed signal cir-
cuit
Engine runningAlmost in accor-
dance with
tachometer display
STR ANGLE SIGSteering wheel angle
detected by steering
wheel angle sensorStraight-ahead condition Approx. 0 deg
Steering wheel angle
sensor and circuit
Steering – 720 to 720deg
YAW RATE SENYaw rate detected by
yaw rate sensorVehicle stopped Approx. 0 d/s
Yaw rate sensor and cir-
cuit
During driving – 70 to 70d/s
SIDE G-SENSORTransverse accelera-
tion detected by side G
sensorVehicle stopped
Approx. 0 m/s
2
Side G sensor and circuit
During driving
– 24.3 to 24.1m/s2
PRESS SENSORBrake fluid pressure
detected by pressure
sensorWith the ignition switch
turned ON and brake pedal
released.Approx. 0 bar
Pressure sensor and cir-
cuit
With the ignition switch
turned ON and brake pedal
depressed.– 40 to 300bar
BATTERY VOLTBattery voltage sup-
plied to the ESP/TCS/
ABS control unitIgnition switch ON 10 – 16VESP/TCS/ABS control
unit power supply circuit
and ground circuit
MOTOR RELAYMotor relay
ON/OFF conditionABS not activated. OFF
Motor relay and circuit
ABS activated. ON
ACTUATOR RLYActuator relay
ON/OFF conditionIgnition ON and Vehicle
stopped.OFF
Actuator relay and circuit
Engine running and Vehicle
stopped.ON
STOP LAMP SWOperating status of
brake pedalDepress brake pedal. ON
Stop lamp switch circuit
Release the brake pedal. OFF
BRC-82
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS
10. Drive the vehicle at Approx. 30 km/h (19 MPH) and check that the ABS warning lamp, ESP OFF indicator
lamp, and SLIP indicator lamp stay off.
CAUTION:
ESP OFF switch is not cancelled.
Self-Diagnostic Items to Result Mode
Self-Diagnostic item Malfunction detecting condition Check route
FR LH SENSOR – 1 Circuit of front LH wheel sensor is open.
Wheel sensor and cir-
cuit. Refer to BRC-92
RR RH SENSOR – 1 Circuit of rear RH wheel sensor is open.
FR RH SENSOR – 1 Circuit of front RH wheel sensor is open.
RR LH SENSOR – 1 Circuit of rear LH wheel sensor is open.
FR LH SENSOR – 2 Front LH wheel sensor is shorted or input signal is abnormal.
RR RH SENSOR – 2 Rear RH wheel sensor is shorted or input signal is abnormal.
FR RH SENSOR – 2 Front RH wheel sensor is shorted or input signal is abnormal.
RR LH SENSOR – 2 Rear LH wheel sensor is shorted or input signal is abnormal.
MAIN RELAYDuring the actuator relay operation with OFF, when the actuator
relay turns ON. Or when the control line for the relay is shorted to
the ground.Actuator relay and cir-
cuit. Refer to BRC-104
During the actuator relay operation with ON, when the actuator
relay turns OFF. Or when the control line for the relay is open.
STOP LAMP SW Stop lamp switch circuit is open.Stop lamp switch and cir-
cuit. Refer to BRC-106
PRESS SEN CIRCUIT Pressure sensor signal line is open or shorted, or pressure sen-
sor is abnormal.Pressure sensor and cir-
cuit. Refer to BRC-95
ST ANGLE SEN CIRCUIT Neutral position of the steering wheel angle sensor is dislocated,
or the steering wheel angle sensor is abnormal.Steering wheel angle
sensor and circuit. Refer
to BRC-96
YAW RATE SENOR Yaw rate sensor is abnormal, or the yaw rate sensor signal line is
open or shorted.Yaw rate/transverse
acceleration sensor and
circuit. Refer to BRC-98
FR LH IN ABS SOLCircuit of the front LH wheel inlet solenoid valve is open or
shorted, or the control line is open or shorted to the power supply
or the ground.
Solenoid valve and cir-
cuit. Refer to BRC-99
FR LH OUT ABS SOLCircuit of the front LH wheel outlet solenoid valve is open or
shorted, or the control line is open or shorted to the power supply
or the ground.
RR RH IN ABS SOLCircuit of the rear RH wheel inlet solenoid valve is open or
shorted, or the control line is open or shorted to the power supply
or the ground.
RR RH OUT ABS SOLCircuit of the rear RH wheel outlet solenoid valve is open or
shorted, or the control line is open or shorted to the power supply
or the ground.
FR RH IN ABS SOLCircuit of the front RH wheel inlet solenoid valve is open or
shorted, or the control line is open or shorted to the power supply
or the ground.
FR RH OUT ABS SOLCircuit of the front RH wheel outlet solenoid valve is open or
shorted, or the control line is open or shorted to the power supply
or the ground.
RR LH IN ABS SOLCircuit of the rear LH wheel inlet solenoid valve is open or
shorted, or the control line is open or shorted to the power supply
or the ground.
RR LH OUT ABS SOLCircuit of the rear LH wheel outlet solenoid valve is open or
shorted, or the control line is open or shorted to the power supply
or the ground.