Page 1657 of 2248
F: TROUBLE CODE 31, 33 AND 39
—FAULTY SOLENOID VALVE CIRCUIT(S) IN
HYDRAULIC CONTROL UNIT—
DIAGNOSIS:
Faulty harness/connector
Faulty solenoid valve in hydraulic control unit
Faulty A.B.S. control module
TROUBLE SYMPTOM:
A.B.S. does not operate.
1. Check resistance of solenoid valve
to A.B.S. control module side.
OK
Not OK
4. Check resistance of sole-
noid valve.
OK
Not OK
Replace hydraulic control unit.
Repair harness/connector.
2. Check voltage of solenoid valve to
A.B.S. control module side.
OK
Not OK
5. Check GND short of
hydraulic control unit.
OK
Not OK
Replace hydraulic control unit.
Repair harness/connector.
3. Check voltage of solenoid valve to
A.B.S. control module side.
OK
Not OK
6. Check battery short of
hydraulic control unit.
OK
Not OK
Replace hydraulic control unit.
Replace A.B.S. control module.Repair harness/connector.
B4M0712
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7. Diagnostics Chart with Trouble Code
Page 1658 of 2248

B4M0256B
1. CHECK RESISTANCE OF SOLENOID VALVE TO
A.B.S. CONTROL MODULE SIDE.
1) Turn ignition switch OFF.
2) Disconnect connector from A.B.S. control module.
3) Measure resistance between A.B.S. control module
connector terminals.
TROUBLE CODE / Connector & terminal:
31 / (P3) No. 35—No. 32
33 / (P3) No. 2—No. 32
39 / (P3) No. 18—No. 32
Specified resistance: approx. 1Ω
B4M0257B
2. CHECK VOLTAGE OF SOLENOID VALVE TO A.B.S.
CONTROL MODULE SIDE.
1) Turn ignition switch OFF.
2) Disconnect valve relay from hydraulic control unit.
3) Turn ignition switch ON.
4) Measure voltage between A.B.S. control module con-
nector terminals.
TROUBLE CODE / Connector & terminal:
31 / (P3) No. 35—No. 20
33 / (P3) No. 2—No. 20
39 / (P3) No. 18—No. 20
Specified voltage: 10—12 V
B4M0257B
3. CHECK VOLTAGE OF SOLENOID VALVE TO A.B.S.
CONTROL MODULE SIDE.
1) Turn ignition switch OFF.
2) Disconnect combination meter fuse No. 15.
3) Turn ignition switch ON.
4) Measure voltage between A.B.S. control module con-
nector terminals.
TROUBLE CODE / Connector & terminal:
31 / (P3) No. 35—No. 20
33 / (P3) No. 2—No. 20
39 / (P3) No. 18—No. 20
Specified voltage: 0 V
31
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7. Diagnostics Chart with Trouble Code
Page 1659 of 2248

B4M0259B
4. CHECK RESISTANCE OF SOLENOID VALVE.
1) Turn ignition switch OFF.
2) Disconnect connector from hydraulic control unit.
3) Measure resistance between hydraulic control unit ter-
minals.
TROUBLE CODE / Connector & terminal:
31 / to (F9) No. 4—No. 11
33 / to (F9) No. 3—No. 11
39 / to (F9) No. 1—No. 11
Specified resistance: approx. 1Ω
B4M0702A
5. CHECK GND SHORT OF HYDRAULIC CONTROL
UNIT.
1) Turn ignition switch OFF.
2) Disconnect connector from hydraulic control unit.
3) Measure resistance between hydraulic control unit ter-
minals.
Connector & terminal / Specified resistance:
(F9) No. 11—body/1MΩ
(F9) No. 11—No.8/1MΩ
B4M0259B
B4M0703A
6. CHECK BATTERY SHORT OF HYDRAULIC
CONTROL UNIT.
1) Turn ignition switch OFF.
2) Disconnect connector from hydraulic control unit.
3) Measure resistance between hydraulic control unit ter-
minals.
TROUBLE CODE / Connector & terminal:
31 / to (F9) No. 4—No. 11
33 / to (F9) No. 3—No. 11
39 / to (F9) No. 1—No. 11
Specified resistance: approx. 1Ω
4) Turn ignition ON.
5) Measure voltage between hydraulic control unit termi-
nals.
Connector & terminal / Specified voltage:
(F9) No. 11—body/0V
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7. Diagnostics Chart with Trouble Code
Page 1660 of 2248
G: TROUBLE CODE 41
—FAULTY A.B.S. CONTROL MODULE—
DIAGNOSIS:
Faulty A.B.S. control module
TROUBLE SYMPTOM:
A.B.S. does not operate.
Replace A.B.S. control module.
33
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7. Diagnostics Chart with Trouble Code
Page 1661 of 2248
H: TROUBLE CODE 42
—SOURCE VOLTAGE IS LOW.—
DIAGNOSIS:
Faulty battery
Faulty A.B.S. control module
Faulty harness
Faulty valve relay
TROUBLE SYMPTOM:
A.B.S. does not operate.
Check battery.
OK
Not OK
Replace battery.
1. Check input voltage of A.B.S. control module.
Not OK
OK
Replace A.B.S. control module.
2. Check input voltage of hydraulic control unit.
OK
Not OK
Repair harness/connector.
3. Check harness connector between A.B.S. con-
trol module and hydraulic control unit.
OK
Not OK
Repair harness/connector.
4. Check valve relay.
OK
Not OK
Replace valve relay.
Replace hydraulic control unit.
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7. Diagnostics Chart with Trouble Code
Page 1662 of 2248
B4M0596
B4M0261B
1. CHECK INPUT VOLTAGE OF A.B.S. CONTROL
MODULE.
1) Turn ignition switch OFF.
2) Disconnect connector from A.B.S. control module.
3) Disconnect connector cover from connector.
4-4a [T7C2].>
4) Connect connector to A.B.S. control module.
5) Turn ignition switch ON.
6) Measure input voltage between A.B.S. control module
connector and body.
Connector & terminal / Specified voltage:
(P3) No. 32—Body / 10—12 V
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7. Diagnostics Chart with Trouble Code
Page 1663 of 2248

B4M0262B
2. CHECK INPUT VOLTAGE OF HYDRAULIC
CONTROL UNIT.
1) Turn ignition switch OFF.
2) Disconnect connector from hydraulic control unit.
3) Turn ignition switch ON.
4) Measure input voltage between hydraulic control unit
connector and body.
Connector & terminal / Specified voltage:
(F8) No. 1—Body / 10—12 V
B4M0263B
3. CHECK HARNESS CONNECTOR BETWEEN A.B.S.
CONTROL MODULE AND HYDRAULIC CONTROL
UNIT.
1) Turn ignition switch OFF.
2) Disconnect connector from A.B.S. control module and
hydraulic control unit.
3) Measure resistance between A.B.S. control module and
hydraulic control unit.
Connector & terminal / Specified resistance:
(P3) No. 32—(F9) No. 11 / 0Ω
G4M0690
4. CHECK VALVE RELAY.
1) Remove valve relay.
2) Attach circuit tester probes to terminals, as shown in
figure.
3) Measure resistance between respective terminals.
Terminal / Specified resistance:
No. 87—No. 30 / 0Ω(when 12 volts applied.)
No. 87—No.30/1MΩ(when no volts applied.)
No. 87a—No.30/1MΩ(when 12 volts applied.)
No. 87a—No. 30 / 0Ω(when no volts applied.)
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7. Diagnostics Chart with Trouble Code
Page 1664 of 2248
I: TROUBLE CODE 51
—FAULTY VALVE RELAY—
DIAGNOSIS:
Faulty valve relay
Faulty harness
Faulty A.B.S. control module
TROUBLE SYMPTOM:
A.B.S. does not operate.
1. Check power supply circuit of A.B.S. control
module.
OK
Not OK
Repair harness/connector.
2. Check output voltage to A.B.S. control
module.
OK
Not OK
Replace A.B.S. control module.
3. Check input voltage of A.B.S. control module.
Not OK
OK
Replace A.B.S. control module.
4. Check harness connector between A.B.S.
control module and hydraulic control unit.
OK
Not OK
Repair harness/connector.
5. Check power supply circuit of hydraulic
control unit.Not OK
Repair harness/connector.
6. Check valve relay.Replace valve relay.
Replace hydraulic control unit.
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7. Diagnostics Chart with Trouble Code