Page 1665 of 2248
B4M0600
B4M0266B
1. CHECK POWER SUPPLY CIRCUIT OF A.B.S.
CONTROL MODULE.
1) Turn ignition switch OFF.
2) Disconnect connector from A.B.S. control module.
3) Turn ignition switch ON.
4) Measure voltage between A.B.S. control module con-
nector terminals.
Connector & terminal / Specified voltage:
(P3) No. 1—No. 20 / 10—12 V
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7. Diagnostics Chart with Trouble Code
Page 1666 of 2248

B4M0267B
2. CHECK OUTPUT VOLTAGE TO 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 voltage between A.B.S. control module con-
nector terminals.
Connector & terminal / Specified voltage:
(P3) No. 17—No. 20 / 10—12 V
B4M0268B
3. CHECK INPUT VOLTAGE OF A.B.S. CONTROL
MODULE.
1) Turn ignition switch ON.
2) Measure voltage between A.B.S. control module con-
nector terminals.
Connector & terminal / Specified voltage:
(P3) No. 32—No. 20 / 10—12 V
B4M0269B
4. 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. 17—(F9) No.6/0Ω
(P3) No. 32—(F9) No. 11 / 0Ω
(P3) No. 27—(F9) No. 12 / 0Ω
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7. Diagnostics Chart with Trouble Code
Page 1667 of 2248
B4M0262B
5. CHECK POWER SUPPLY CIRCUIT OF HYDRAULIC
CONTROL UNIT.
1) Turn ignition switch OFF.
2) Disconnect connector from hydraulic control unit.
3) Turn ignition switch ON.
4) Measure voltage between hydraulic control unit and
body.
Connector & terminal / Specified voltage:
(F8) No. 1—Body / 10—12 V
G4M0690
6. 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 1668 of 2248
J: TROUBLE CODE 52
—FAULTY HYDRAULIC MOTOR AND/OR
MOTOR RELAY—
DIAGNOSIS:
Faulty motor relay
Faulty hydraulic control unit
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 of A.B.S. control
module.
OK
Not OK
Replace A.B.S. control module.
3. Check harness connector between A.B.S.
control module and hydraulic control unit.
OK
Not OK
Repair harness/connector.
4. Check power supply circuit of hydraulic
control unit.
OK
Not OK
Repair harness/connector.
5. Check motor relay.
OK
Not OK
Replace motor relay.
Check hydraulic motor ground harness.
OK
Not OK
Repair ground harness.
Replace hydraulic control unit.
41
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7. Diagnostics Chart with Trouble Code
Page 1669 of 2248
B4M0605
B4M0266B
1. CHECK POWER SUPPLY CIRCUIT OF A.B.S.
CONTROL MODULE.
1) Turn ignition switch OFF.
2) Disconnect connector from A.B.S. control module.
3) Turn ignition switch ON.
4) Measure voltage between A.B.S. control module con-
nector terminals.
Connector & terminal / Specified voltage:
(P3) No. 1—No. 20 / 10—12 V
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Page 1670 of 2248

B4M0267B
2. CHECK OUTPUT 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 voltage between A.B.S. control module con-
nector terminals.
Connector & terminal / Specified voltage:
(P3) No. 17—No. 20 / 10—12 V
B4M0275B
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.
3) Disconnect connector from hydraulic control unit.
4) Measure resistance between A.B.S. control module
connector and hydraulic control unit connector.
Connector & terminal / Specified resistance:
(P3) No. 17—(F9) No.6/0Ω
(P3) No. 28—(F9) No.5/0Ω
(P3) No. 14—(F9) No.7/0Ω
B4M0276B
4. CHECK POWER SUPPLY CIRCUIT OF HYDRAULIC
CONTROL UNIT.
1) Turn ignition switch OFF.
2) Disconnect connector from hydraulic control unit.
3) Measure voltage between hydraulic control unit connec-
tor and body.
Connector & terminal / Specified voltage:
(F8) No. 2—Body / 10—12 V
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7. Diagnostics Chart with Trouble Code
Page 1671 of 2248
G4M0727
5. CHECK MOTOR RELAY.
1) Remove motor relay.
2) Attach circuit tester probes to terminals, as shown in
figure.
3) Measure resistance between terminals.
Terminal / Specified resistance:
No. 30—No. 87 / 0Ω(when 12 volts applied.)
No. 30—No.87/1MΩ, min. (when no volts
applied.)
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7. Diagnostics Chart with Trouble Code
Page 1672 of 2248
K: TROUBLE CODE 54
—FAULTY STOP LIGHT CIRCUIT—
DIAGNOSIS:
Faulty stop light circuit
Faulty harness
Faulty A.B.S. control module
TROUBLE SYMPTOM:
A.B.S. does not operate.
Check stop light operate.
OK
Not OK
Repair stop light circuit.
1. Check input voltage of A.B.S. control module.
OK
Not OK
Repair harness.
Replace A.B.S. control module.
B4M0608
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7. Diagnostics Chart with Trouble Code