Diagnosis Procedure
Diagnosis Procedure1. CHECK A/T POSITION
Check A/T position. Refer to TM-153, "2WD: Inspection and Adjustment" (2WD), TM-153, "AWD: Inspection and Adjustment" (AWD). Testing and Inspection
Is the inspection result normal?
YES >> GO TO 2.
NO >> Adjust A/T position. Refer to TM-153, "2WD: Inspection and Adjustment" (2WD), TM-153, "AWD: Inspection and Adjustment" (AWD). Testing and Inspection
2. CHECK POWER SOURCE
1. Turn ignition switch OFF.
2. Disconnect shift lock relay
3. Check voltage between shift lock relay vehicle side harness connector terminal and ground.
Is the inspection result normal?
YES >> GO TO 7.
NO-1 >> When depressing the brake pedal, the voltage is 0 V: GO TO 3.
NO-2 >> When releasing the brake pedal, the voltage is battery voltage: GO TO 5.
3. CHECK POWER SOURCE
1. Disconnect stop lamp switch connector.
2. Check voltage between stop lamp switch vehicle side harness connector terminal and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Check the following. If NG, repair or replace damaged parts.
^ 10 A fuse [No. 7, located in the fuse block (J/B)]
^ Harness for short to ground or open between battery and stop lamp switch vehicle side harness connector terminal 3.
^ Harness for short to ground or open between battery and stop lamp switch vehicle side harness connector terminal 1.
^ Harness for short to ground between battery and ICC brake hold relay vehicle side harness connector terminal 3. (With ICC)
4. CHECK STOP LAMP SWITCH
Check stop lamp switch. Refer to TM-99, "Component Inspection (Stop lamp switch)". Component Inspection (Stop Lamp Switch)
Is the inspection result normal?
YES >> Check the following. If NG, repair or replace damaged parts.
^ Harness for short to ground or open between stop lamp switch vehicle side harness connector terminal 4 and shift lock relay vehicle side harness connector terminal 2.
^ Harness for short to ground between stop lamp switch vehicle side harness connector terminal 4 and ICC brake hold relay vehicle side harness connector terminal 5. (With ICC)
NO >> Repair or replace damaged parts.
5. CHECK STOP LAMP SWITCH
Check stop lamp switch. Refer to TM-99, "Component Inspection (Stop lamp switch)". Component Inspection (Stop Lamp Switch)
Is the inspection result normal?
YES-1 >> Without ICC: Repair or replace harness between stop lamp switch and shift lock relay.
YES-2 >> With ICC: GO TO 6.
NO >> Repair or replace damaged parts.
6. CHECK DTC WITH ICC
With CONSULT-III
Select "Self Diagnostic Results" mode for "ICC". Refer to CCS-24, "CONSULT-III Function (ICC)". CONSULT-III Function (ICC)
Is any malfunction detected?
YES >> Check the DTC detected item. Refer to CCS-24, "CONSULT-III Function (ICC). CONSULT-III Function (ICC)
NO >> Repair or replace harness between stop lamp switch and shift lock relay.
7. CHECK GROUND CIRCUIT
Check continuity between shift lock relay vehicle side harness connector terminal and ground.
Is the inspection result normal?
YES >> GO TO 8.
NO >> Repair or replace damaged parts.
8. CHECK SHIFT LOCK RELAY
Check shift lock relay. Refer to TM-98, "Component Inspection (Shift lock relay)". Component Inspection (Shift Lock Relay)
Is the inspection result normal?
YES >> GO TO 9.
NO >> Repair or replace damaged parts.
9. CHECK POWER SOURCE
1. Turn ignition switch ON.
2. Check voltage between shift lock relay vehicle side harness connector terminal and ground.
Is the inspection result normal?
YES >> GO T0 10.
NO >> Check the following. If NG, repair or replace damaged parts.
^ 10 A fuse [No. 3, located in the fuse block (J/B)]
^ Harness for short to ground or open between ignition switch and shift lock relay vehicle side harness connector terminal 5
10. CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect control device connector.
3. Check continuity between control device vehicle side harness connector terminal and ground.
Is the inspection result normal?
YES >> GO TO 11.
NO >> Repair or replace damaged parts.
11. CHECK SHIFT LOCK SOLENOID
Check shift lock solenoid. Refer to TM-98, "Component Inspection (Shift lock solenoid)". Component Inspection (Shift Lock Solenoid)
Is the inspection result normal?
YES >> Check the following. If NG, repair or replace damaged parts.
^ Harness for short to ground, short to power or open between shift lock relay vehicle side harness connector terminal 3 and control device vehicle side harness connector terminal 8
^ Harness for short to ground, short to power or open between control device harness conductor terminal 8 and shift lock unit harness connector terminal 3
^ Harness for open between control device harness conductor terminal 4 and shift lock unit harness connector terminal 4
NO >> Repair or replace damaged parts.