Page 2321 of 2890
B4M0516
Q: TROUBLE CODE 36
RR.OUT VALVE
—Faulty rear right outlet solenoid valve—
DIAGNOSIS:
Faulty harness/connector
Faulty solenoid valve in hydraulic unit
Faulty ABS/TCS control module
TROUBLE SYMPTOM:
ABS and TCS do not operate.
ABS sequence control does not operate.
TCS sequence control does not operate.
Air bleeding mode does not operate.
NOTE:
The procedures used are the same as those for FR.OUT
VA LV E .
B4M0517
R: TROUBLE CODE 37
RL.IN VALVE
—Faulty rear left inlet solenoid valve—
DIAGNOSIS:
Faulty harness/connector
Faulty solenoid valve in hydraulic unit
Faulty ABS/TCS control module
TROUBLE SYMPTOM:
ABS and TCS do not operate.
ABS sequence control does not operate.
TCS sequence control does not operate.
Air bleeding mode does not operate.
NOTE:
The procedures used are the same as those for FR.IN
VA LV E .
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Page 2322 of 2890
B4M0518
S: TROUBLE CODE 38
RL.OUT VALVE
—Faulty rear left outlet solenoid valve—
DIAGNOSIS:
Faulty harness/connector
Faulty solenoid valve in hydraulic unit
Faulty ABS/TCS control module
TROUBLE SYMPTOM:
ABS and TCS do not operate.
ABS sequence control does not operate.
TCS sequence control does not operate.
Air bleeding mode does not operate.
NOTE:
The procedures used are the same as those for FR.OUT
VA LV E .
B4M0519
T: TROUBLE CODE 41
ECU
—Faulty ABS/TCS control module—
DIAGNOSIS:
Faulty ABS/TCS control module
Faulty harness/connector
TROUBLE SYMPTOM:
ABS does not operate.
TCS does not operate.
1. Check ground circuit of ABS/TCS control
module.
OK
Not OK
Repair harness/connector.
2. Check harness connectors between power
supply generator, battery and ABS/TCS con-
trol module.
OK
Not OK
Repair harness/connector.
3. Check sources of signal noise.
OK
Not OK
Repair noise sources.
Replace ABS/TCS control module.
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Page 2323 of 2890
B4M0520
U: TROUBLE CODE 42
HIGH VOLTAGE
—Source voltage is high—
DIAGNOSIS:
Power source voltage of the ABS/TCS control module is
more than 18 V.
Faulty ABS/TCS control module
Faulty harness/connector
TROUBLE SYMPTOM:
ABS does not operate.
TCS does not operate.
1. Check generator.
OK
Not OK
Repair generator.
2. Check battery terminal.
OK
Not OK
Repair battery terminal.
3. Check input voltage of ABS/TCS control mod-
ule.
OK
Not OK
Repair harness/connector.
4. Check ground circuit of ABS/TCS control
module.
OK
Not OK
Repair harness/connector.
Replace ABS/TCS control module.
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10. Diagnostic Chart with Select Monitor
Page 2324 of 2890

B4M0521
V: TROUBLE CODE 43
EGI LINE
—Faulty engine control module communication
cables—
DIAGNOSIS:
AET communication cable is broken or short circuited.
AEB communication cable is broken or short circuited.
AEC communication cable is broken or short circuited.
Faulty ABS/TCS control module
Faulty engine control module
TROUBLE SYMPTOM:
TCS does not operate.
1. Check communication cables.
OK
Terminal voltage
remains at 4—5.4 V.
Replace ABS/TCS control module.
Terminal voltage
remains at 10—14 V.
Go to step 2.
Terminal voltage
remains at2Vorless.
Go to step 4.
Replace ABS/TCS control module.
2. Check harness between ABS/TCS control
module and ECM.
OK
Not OK
Repair harness.
3. Check ABS/TCS control module internal
circuits.
OK
Not OK
Replace ABS/TCS control module.
Replace engine control module.
4. Check output voltage of ECM.
Not OK
OK
6. Check open circuit of harness.
OK Not OK
Replace ABS/TCS
control module.
5. Check body short of harness.
OK
Not OK
Repair harness/connector.
Replace engine control module.
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Page 2325 of 2890
B4M0522
W: TROUBLE CODE 51
1. V.RELAY ON
—Valve relay ON malfunction—
DIAGNOSIS:
Faulty valve relay
Faulty harness/connector
Faulty ABS/TCS control module
TROUBLE SYMPTOM:
ABS does not operate.
TCS does not operate.
1. Check contact point of valve relay.
OK
Not OK
Replace valve relay.
2. Check short circuit of valve relay.
OK
Not OK
Replace valve relay.
3. Check ground circuit of valve relay.
OK
Not OK
Repair harness/connector.
4. Check body short of harness.
OK
Not OK
Repair harness.
Replace ABS/TCS control module.
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Page 2326 of 2890
B4M0523
2. V.RELAY OFF
—Valve relay OFF malfunction—
DIAGNOSIS:
Faulty valve relay
Faulty harness/connector
Faulty ABS/TCS control module
TROUBLE SYMPTOM:
ABS does not operate.
TCS does not operate.
1. Check resistance of valve relay.
OK
Not OK
Replace valve relay.
2. Check contact point of valve relay.
OK
Not OK
Replace valve relay.
3. Check input voltage of valve relay.
OK
Not OK
Repair harness/connector.
4. Check harness between ABS/TCS control
module and valve relay.
OK
Not OK
Repair harness/connector.
5. Check resistance of valve relay to ABS/TCS
control module side.
OK
Not OK
Repair harness/connector.
Replace ABS/TCS control module.
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Page 2327 of 2890
B4M0524
X: TROUBLE CODE 52
1. MOTOR ON
—Motor relay ON malfunction—
DIAGNOSIS:
Faulty motor relay
Faulty motor
Faulty motor sensor
Faulty harness
Faulty ABS/TCS control module
TROUBLE SYMPTOM:
ABS does not operate.
TCS does not operate.
1. Check body short of harness.
OK
Not OK
Repair harness.
2. Check motor operation.
OK
Not OK
Replace motor relay.
3. Check body short of motor sensor.
OK
Not OK
Replace hydraulic unit.
4. Check body short of motor sensor harness.
OK
Not OK
Repair harness.
Replace ABS/TCS control module.
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Page 2328 of 2890
B4M0525
2. MOTOR OFF
—Motor relay OFF malfunction—
DIAGNOSIS:
Faulty motor relay
Faulty motor
Faulty motor sensor
Faulty harness/connector
Faulty ABS/TCS control module
TROUBLE SYMPTOM:
ABS and TCS do not operate.
1. Check resistance of motor relay.
OK
Not OK
Replace motor relay.
2. Check input voltage of motor relay.
OK
Not OK
Repair harness/connector.
3. Check harness between ABS/TCS control
module and motor relay.
OK
Not OK
Repair harness/connector.
4. Check motor operation.
OK
Not OK
Go to step 9.
5. Check resistance of motor sensor.
OK
Not OK
Replace hydraulic unit.
6. Check body short of motor sensor.
OK
Not OK
Replace hydraulic unit.
7. Check harness between ABS/TCS control
module and motor sensor.
OK
Not OK
Repair harness/connector.
8. Check body short of motor sensor harness.
OK
Not OK
Repair harness.
Replace ABS/TCS control module.
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10. Diagnostic Chart with Select Monitor