2007 TOYOTA SIENNA Service Repair Manual

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Page 2425 of 3000

TOYOTA SIENNA 2007 Service Repair Manual BC–64BRAKE CONTROL – ANTI-LOCK BRAKE SYSTEM
BC
(a) Turn the ignition switch off.
(b) Disconnect the skid control ECU connector.
(c) Measure the resistance according to the value(s) in the
table

Page 2426 of 3000

TOYOTA SIENNA 2007 Service Repair Manual BRAKE CONTROL – ANTI-LOCK BRAKE SYSTEMBC–65
BC
(a) Disconnect the skid control ECU connector.
(b) Measure the resistance according to the value(s) in the
table below.
Standard resistance
NG
OK

Page 2427 of 3000

TOYOTA SIENNA 2007 Service Repair Manual BC–66BRAKE CONTROL – ANTI-LOCK BRAKE SYSTEM
BC
DESCRIPTION
The Test Mode (signal check) circuit detects trouble in the sensor or switch signal, which cannot be
detected by the DTC check.
Connec

Page 2428 of 3000

TOYOTA SIENNA 2007 Service Repair Manual BRAKE CONTROL – ANTI-LOCK BRAKE SYSTEMBC–67
BC
INSPECTION PROCEDURE
(a) Turn the ignition switch off.
(b) Disconnect the skid control ECU connector.
(c) Measure the resistance according to the v

Page 2429 of 3000

TOYOTA SIENNA 2007 Service Repair Manual BC–68BRAKE CONTROL – ANTI-LOCK BRAKE SYSTEM
BC
(a) Measure the resistance according to the value(s) in the
table below.
Standard resistance
NG
OK
3CHECK HARNESS AND CONNECTOR (BETWEEN TS of DLC

Page 2430 of 3000

TOYOTA SIENNA 2007 Service Repair Manual BC–14BRAKE CONTROL – ANTI-LOCK BRAKE SYSTEM
BC
FREEZE FRAME DATA
1. FREEZE FRAME DATA
(a) Whenever a DTC is detected or the ABS operates,
the skid control ECU stores the current vehicle
(senso

Page 2431 of 3000

TOYOTA SIENNA 2007 Service Repair Manual BRAKE CONTROL – ANTI-LOCK BRAKE SYSTEMBC–15
BC
DATA LIST / ACTIVE TEST
1. DATA LIST
(a) While the intelligent tester is connected to the DLC3
with the ignition switch in the ON position, the AB

BRAKE CONTROL – ANTI-LOCK BRAKE SYSTEMBC–15
BC
DATA LIST / ACTIVE TEST
1. DATA LIST
(a) While the intelligent tester is connected to the DLC3
with the ignition switch in the ON position, the ABS
data list can be displayed. Follow the prompts on
the tester screen to access the DATA LIST.
Tester Display Measurement Item/Range Normal Condition Diagnostic Note
ABS MOT RELAY ABS motor relay / ON or OFFON: During pump motor
operation
OFF: No pump motor operation-
SOL RELAY Solenoid relay / ON or OFFON: Solenoid relay ON
OFF: Solenoid relay OFF-
STOP LIGHT SW Stop light switch / ON or OFFON: Brake pedal depressed
OFF: Brake pedal released-
PKB SW Parking brake switch / ON or OFFON: Parking brake applied
OFF: Parking brake released-
ABS OPERT FRABS operation (FR) / BEFORE or
OPERATEBEFORE: No ABS operation (FR)
OPERATE: During ABS operation
(FR)-
ABS OPERT FLABS operation (FL) / BEFORE or
OPERATEBEFORE: No ABS operation (FL)
OPERATE: During ABS operation
(FL)-
ABS OPERT RRABS operation (RR) / BEFORE or
OPERATEBEFORE: No ABS operation
(RR)
OPERATE: During ABS operation
(RR)-
ABS OPERT RLABS operation (RL ) / BEFORE or
OPERATEBEFORE: No ABS operation (RL)
OPERATE: During ABS operation
(RL)-
WHEEL SPD FRWheel speed sensor (FR) reading
/ min.: 0 km/h (0 mph), max.: 326
km/h (202 mph)Actual wheel speedSimilar speed as indicated on
speedometer
WHEEL SPD FLWheel speed sensor (FL) reading
/ min.: 0 km/h (0 mph), max.: 326
km/h (202 mph)Actual wheel speedSimilar speed as indicated on
speedometer
WHEEL SPD RRWheel speed sensor (RR)
reading / min.: 0 km/h (0 mph),
max.: 326 km/h (202 mph)Actual wheel speedSimilar speed as indicated on
speedometer
WHEEL SPD RLWheel speed sensor (RL) reading
/ min.: 0 km/h (0 mph), max.: 326
km/h (202 mph)Actual wheel speedSimilar speed as indicated on
speedometer
IG VOLTAGEECU IG Power supply voltage /
TOO LOW/NORMALTOO LOW: 9.5 V or less
NORMAL: 9.5 to 14.0 V-
SFRRABS solenoid (SFRR) / ON or
OFFON: Operates -
SFRHABS solenoid (SFRH) / ON or
OFFON: Operates -
SFLRABS solenoid (SFLR) / ON or
OFFON: Operates -
SFLHABS solenoid (SFLH) / ON or
OFFON: Operates -
SRRRABS solenoid (SRRR) / ON or
OFFON: Operates -
SRRHABS solenoid (SRRH) / ON or
OFFON: Operates -
SRLRABS solenoid (SRLR) / ON or
OFFON: Operates -
SRLHABS solenoid (SRLH) / ON or
OFFON: Operates -

Page 2432 of 3000

TOYOTA SIENNA 2007 Service Repair Manual BC–16BRAKE CONTROL – ANTI-LOCK BRAKE SYSTEM
BC
2. ACTIVE TEST
HINT:
Performing the ACTIVE TEST using the intelligent tester
allows the relay, actuator, etc. to operate without
removing any par

BC–16BRAKE CONTROL – ANTI-LOCK BRAKE SYSTEM
BC
2. ACTIVE TEST
HINT:
Performing the ACTIVE TEST using the intelligent tester
allows the relay, actuator, etc. to operate without
removing any parts. Performing the ACTIVE TEST as
the first step of troubleshooting is one of the methods to
shorten labor time.
It is possible to display the DATA LIST during the
ACTIVE TEST.
(a) Connect the intelligent tester to the DLC3.
(b) Turn the ignition switch to the ON position.
(c) According to the display on the tester, perform the
ACTIVE TEST.
HINT:
The ignition switch must be turned to the ON
position to proceed to the ACTIVE TEST using the
intelligent tester.
VEHICLE SPDVehicle speed reading / min.: 0
km/h (0 mph), max.: 326 km/h
(202 mph)Actual vehicle speed Speed indicated on speedometer
TEST MODETest mode operation / NORMAL
or TESTNORMAL: Normal mode
TEST: During test mode-
#CODENumber of DTC recorded / min.:
0, max.: 255Min.: 0
Max.: 255- Tester Display Measurement Item/Range Normal Condition Diagnostic Note
Tester Display Test Part Control Range Diagnostic Note
SFRR ABS solenoid (SFRR) Solenoid ON / OFFOperating sound of solenoid
(clicking sound) is heard
SFRH ABS solenoid (SFRH) Solenoid ON / OFFOperating sound of solenoid
(clicking sound) is heard
SFLR ABS solenoid (SFLR) Solenoid ON / OFFOperating sound of solenoid
(clicking sound) is heard
SFLH ABS solenoid (SFLH) Solenoid ON / OFFOperating sound of solenoid
(clicking sound) is heard
SRRR ABS solenoid (SRRR) Solenoid ON / OFFOperating sound of solenoid
(clicking sound) is heard
SRRH ABS solenoid (SRRH) Solenoid ON / OFFOperating sound of solenoid
(clicking sound) is heard
SRLR ABS solenoid (SRLR) Solenoid ON / OFFOperating sound of solenoid
(clicking sound) is heard
SRLH ABS solenoid SRLH) Solenoid ON / OFFOperating sound of solenoid
(clicking sound) is heard
ABS MOT RELAY ABS motor relay Relay ON / OFFOperating sound of motor is
heard
SOL RELAY ABS solenoid relay Relay ON / OFFOperating sound of solenoid
(clicking sound) is heard
ABS WARNING LIGHT ABS warning light Warning Light ON / OFF Observe combination meter
BRAKE WARNING LIGHT BRAKE warning light Warning Light ON / OFF Observe combination meter

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