SRS-34
TROUBLE DIAGNOSIS
Revision: 2005 July 2005 FX
Trouble Diagnosis: “AIR BAG” Warning Lamp Does Not Turn ONAHS000HV
DIAGNOSTIC PROCEDURE 8
1. CHECK METER FUSE
Check 10A fuse [No. 14, located in fuse block (J/B)].
Refer to PG-3, "
POWER SUPPLY ROUTING CIRCUIT" .
OK or NG
OK >> GO TO 3.
NG >> GO TO 2.
2. CHECK METER FUSE AGAIN
Replace 10A fuse [No. 14, located in fuse block (J/B)] and turn ignition switch ON.
Does the meter fuse blow again?
YES >> Repair or replace the related harness.
NO >> INSPECTION END
3. CHECK HARNESS CONNECTION BETWEEN DIAGNOSIS SENSOR UNIT AND COMBINATION
METER
Disconnect diagnosis sensor unit connector and turn ignition switch ON.
Does “AIR BAG” warning lamp turn on?
YES or NO
YES >> Replace diagnosis sensor unit.
NO >> Replace combination meter assembly.
TF-26
TROUBLE DIAGNOSIS FOR SYSTEM
Revision: 2005 July 2005 FX
TROUBLE DIAGNOSIS FOR SYSTEMPFP:00000
Power Supply Circuit for AWD Control UnitADS000SX
CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE
Data are reference value.
DIAGNOSTIC PROCEDURE
1. CHECK POWER SUPPLY
1. Turn ignition switch “OFF”.
2. Disconnect AWD control unit harness connector.
3. Turn ignition switch “ON”. (Do not start engine.)
4. Check voltage between AWD control unit harness connector ter- minals and ground.
5. Turn ignition switch “OFF”.
6. Check voltage between AWD control unit harness connector ter- minals and ground.
OK or NG
OK >> GO TO 2.
NG >> Check the following. If any items are damaged, repair or replace damaged parts.
10A fuse [No. 12 or 21, located in the fuse block (J/B)]
Harness for short or open between battery and AWD control unit harness connector terminal 9
Harness for short or open between ignition switch and AWD control unit harness connector ter-
minal 7
Ignition switch. Refer to PG-3, "POWER SUPPLY ROUTING CIRCUIT" .
Monitored item [Unit] Condition Display value (Approx.)
BATTERY VOLT [V] Ignition switch: ON Battery voltage
Connector Terminal (Wire color) Voltage (Approx.)
M92 7 (G/R) - Ground
Battery voltage
9 (G/W) - Ground
SDIA2319E
Connector Terminal (Wire color) Voltage (Approx.)
M92 7 (G/R) - Ground 0V
9 (G/W) - Ground Battery voltage
SDIA2320E
TROUBLE DIAGNOSIS FOR SYSTEM TF-29
C E F
G H
I
J
K L
M A
B
TF
Revision: 2005 July 2005 FX
1. CHECK AWD SOLENOID SIGNAL
With CONSULT-II
1. Start engine.
2. Select “DATA MONITOR” mode for “ALL MODE AWD/4WD” with CONSULT-II.
3. Read out the value of “ETS SOLENOID”.
*: The values are changed by throttle opening and engine speed.
OK or NG
OK >> GO TO 6.
NG >> GO TO 2.
2. CHECK POWER SUPPLY
1. Turn ignition switch “OFF”.
2. Disconnect AWD control unit harness connector.
3. Turn ignition switch “ON”. (Do not start engine.)
4. Check voltage between AWD control unit harness connector ter- minal 9 and ground.
OK or NG
OK >> GO TO 3.
NG >> Check the following. If any items are damaged, repair or replace damaged parts.
10A fuse [No. 21, located in the fuse block (J/B)]
Harness for short or open between battery and AWD
control unit harness connector terminal 9
3. CHECK AWD SOLENOID CIRCUIT
1. Turn ignition switch “OFF”.
2. Disconnect AWD control unit harness connector.
3. Check resistance between AWD control unit harness connector terminals 1 and 2.
OK or NG
OK >> GO TO 6.
NG >> GO TO 4.
Condition Display value
Engine running At idle speed Approx. 0.000A
When depressing accelerator
pedal Approx. 0.000 - 2.400A*
SDIA1885E
Connector Terminal (Wire color) Voltage (Approx.)
M92 9 (G/W) - Ground Battery voltage
SDIA1884E
Connector Terminal (Wire color) Resistance (Approx.)M92 1 (L/W) - 2 (L/OR) (Ground) 2.45 Ω
SDIA1928E
TF-34
TROUBLE DIAGNOSIS FOR SYMPTOMS
Revision: 2005 July 2005 FX
2. CHECK AWD CONTROL UNIT POWER SUPPLY CIRCUIT
1. Turn ignition switch “OFF”.
2. Disconnect AWD control unit harness connector.
3. Turn ignition switch “ON”. (Do not start engine.)
4. Check voltage between AWD control unit harness connector ter- minals and ground.
5. Turn ignition switch “OFF”.
6. Check voltage between AWD control unit harness connector ter- minals and ground.
OK or NG
OK >> GO TO 3.
NG >> Check the following. If any items are damaged, repair or
replace damaged parts.
10A fuse [No. 12 or 21, located in the fuse block (J/B)]
Harness for short or open between battery and AWD control unit harness connector terminal 9
Harness for short or open between ignition switch and AWD control unit harness connector ter-
minal 7
Ignition switch. Refer to PG-3, "POWER SUPPLY ROUTING CIRCUIT" .
3. CHECK AWD CONTROL UNIT GROUND CIRCUIT
1. Turn ignition switch “OFF”.
2. Disconnect AWD control unit harness connector.
3. Check continuity between AWD control unit harness connector M92 terminals 10 (B), 11 (B) and ground.
Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 4.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
Connector Terminal (Wire color) Voltage (Approx.)
M92 7 (G/R) - Ground
Battery voltage
9 (G/W) - Ground
SDIA2319E
Connector Terminal (Wire color) Voltage (Approx.)
M92 7 (G/R) - Ground 0V
9 (G/W) - Ground Battery voltage
SDIA2320E
Continuity should exist.
SDIA1883E
WT-14
TROUBLE DIAGNOSES
Revision: 2005 July 2005 FX
Control Unit Input/Output Signal StandardAES000Z4
Standards using a circuit tester and oscilloscope
Terminal
Item Condition Voltage (V)
Approx. value
+–
15 (G)
Ground Tire pressure warning check
connector Always 5V
18 (B) Remote keyless entry receiver
(Ground) —0V
19 (R) Remote keyless entry receiver
(Power supply) Stand-by
Press any of the keyfob
switches
20 (Y) Remote keyless entry receiver
(Signal) Stand-by
Press any of the keyfob
switches
38 (W/L) Ignition switch Ignition switch ON or START Battery voltage (12V)
39 (L) Data line (CAN H) — —
40 (R) Data line (CAN L) — —
42 (L/R) Battery power supply (Fuse) Always Battery voltage (12V)
45 (G/W) Turn signal (left)
Ignition switch ON
Combination switch is turn
signal (left)
OCC3879D
OCC3882D
OCC3881D
OCC3880D
SKIA3009J
WT-20
TROUBLE DIAGNOSES
Revision: 2005 July 2005 FX
NOTE:
If more than one wheel transmitter is NOT activated, the warning lamp blinking patterns for those wheels will combine. (Example : one
blink/OFF/three blinks = Rear LH and Rear RH transmitters are not activated.)
CONSULT-II
CONSULT-II Main Function
In a diagnosis function (main function), there are “WORK SUPPORT”, “SELF-DIAGNOSTIC RESULTS”,
“DATA MONITOR”, “ACTIVE TEST”.
Low tire pres-
sure warning
lamp Warning lamp blinks
4 times Rear LH wheel
transmitter is not
activated. Activate rear LH wheel
transmitter. Refer to WT-
18, "Transmitter Wake Up
Operation" .
Warning lamp
comes on and does
not turn off The fuse for combi-
nation meter from
battery is pulled out. Check the fuse for combi-
nation meter from battery.
Install or replace (if
needed).
BCM connector
pulled out. Check BCM connector.
Re-connect if needed.
Low tire pressure or
low tire pressure
warning system
malfunction.
Perform CONSULT-II
Self Diagnosis. Refer to
WT-19, "
Self-Diagnosis"
.
–Perform ID Registration
if needed. Refer to WT-
16, "ID Registration Pro-
cedure" .
Turn signal
lamp Turn signal lamp
does not flash 2
times or horn does
not sound after
transmitter activa-
tion. 1. Tool J-45295
(special service
tool) battery low.
2. Ignition OFF dur- ing activation.
3. Tool J-45295 (special service
tool) not posi-
tioned correctly.
4. Transmitters already activated. 1. Install new battery.
2. Make sure ignition is ON during activation.
3. Position tool correctly during activation.
4. None
Diagnosis
Item Symptom
(Ignition switch ON) Low tire pressure warning lamp Cause Action
SEIA0597E
SEIA0598E
Diagnostic test mode Function Reference
WORK SUPPORT This mode enables a technician to adjust some devices faster and more
accurately by following the indications on CONSULT-II. WT-21, "
WORK SUP-
PORT MODE".
SELF-DIAGNOSTIC
RESULTS Self-diagnostic results can be read and erased quickly. WT-21, "
SELF-DIAG-
NOSTIC RESULTS
MODE".
DATA MONITOR Input/Output data in the control unit can be read. WT-22, "
DATA MONITOR
MODE".
ACTIVE TEST Diagnostic Test Mode in with CONSULT-II drives some actuators apart
from the control unit (BCM) and also shifts some parameters in a specified
range. WT-22, "
ACTIVE TEST
MODE".
WT-26
TROUBLE DIAGNOSES
Revision: 2005 July 2005 FX
Preliminary CheckAES000Z9
BASIC INSPECTION
1. CHECK ALL TIRE PRESSURES
Check all tire pressures. Refer to WT-37, "Tire" .
OK or NG
OK >> GO TO 2.
NG >> Adjust tire pressure to specified value.
2. CHECK LOW TIRE PRESSURE WARNING LAMP ACTIVATION
1. Check low tire pressure warning lamp activation.
2. Does low tire pressure warning lamp activate for 1 second when ignition switch is turned “ON”?
Does warning lamp activate?
YES >> GO TO 3.
NO >> Check fuse and combination meter.
3. CHECK CONNECTOR
1. Disconnect BCM harness connectors M3 and M4.
2. Check terminals for damage or loose connection.
OK or NG
OK >> GO TO 4.
NG >> Repair or replace damaged parts.
4. CHECK TRANSMITTER TOOL
Check activation tool battery.
OK or NG
OK >> Perform self-diagnosis.
NG >> Replace activation tool battery.
TROUBLE DIAGNOSES WT-27
C
D
F
G H
I
J
K L
M A
B
WT
Revision: 2005 July 2005 FX
Malfunction Code/Symptom ChartAES000ZA
Code/Symptom Malfunction part Reference
page
15
16
17
18 Front-left tire pressure drops to 178 kPa (1.78 kg/cm
2 , 26 psi) or
less.
Front-right tire pressure drops to 178 kPa (1.78 kg/cm
2 , 26 psi) or
less.
Rear-right tire pressure drops to 178 kPa (1.78 kg/cm
2 , 26 psi) or
less.
Rear-left tire pressure drops to 178 kPa (1.78 kg/cm
2 , 26 psi) or
less. —
21
22
23
24 Transmitter no data (front - left)
Transmitter no data (front - right)
Transmitter no data (rear - right)
Transmitter no data (rear - left) WT-28
31
32
33
34 Transmitter checksum error (front - left)
Transmitter checksum error (front - right)
Transmitter checksum error (rear - right)
Transmitter checksum error (rear - left) WT-28
35
36
37
38 Transmitter pressure data error (front - left)
Transmitter pressure data error (front - right)
Transmitter pressure data error (rear - right)
Transmitter pressure data error (rear - left) WT-29
41
42
43
44 Transmitter function code error (front - left)
Transmitter function code error (front - right)
Transmitter function code error (rear - right)
Transmitter function code error (rear - left) WT-28
45
46
47
48 Transmitter battery voltage low (front - left)
Transmitter battery voltage low (front - right)
Transmitter battery voltage low (rear - right)
Transmitter battery voltage low (rear - left) WT-28
52 Vehicle speed signal
WT-30
Warning lamp does not come on when
ignition switch is turned on. Fuse or combination meter
BCM connector or circuit
BCM WT-31
Warning lamp stays on when ignition
switch is turned on. Combination meter
BCM connector or circuit
BCM WT-31
Warning lamp blinks when ignition
switch is turned on. BCM connector or circuit
BCM
Transmitter's mode off
ID registration not yet WT-33
Turn signal lamp blinks when ignition
switch is turned on. BCM connector or circuit
BCM WT-34
ID registration can not be operated. Transmitter
Remote keyless entry receiver connector or circuit
Remote keyless entry receiver
BCM connector or circuit
BCM WT-34