Diagnosis Procedure
- CHECK CONNECTOR
Check the metal deposition, damage, and corrosion of connectors (F215 and E73 and E74).
Is the inspection result normal?
YES
GO TO 2 .
NO
Repair or replace malfunctioning parts.
- CHECK B1 BRAKE SOLENOID VALVE
- Turn ignition switch OFF.
- Disconnect TCM connector.
- Check resistance between TCM harness connector terminals.
TCM
Condition
Resistance
Connector
Terminal
E73
49
50
ATF temperature: 20 °C (68 °F)
5.0 - 5.6 ?
Is the inspection result normal?
YES
INSPECTION END
NO
GO TO 3 .
- CHECK CIRCUIT BETWEEN TCM AND A/T ASSEMBLY
- Turn ignition switch OFF.
- Disconnect TCM connector and A/T assembly connector.
- Check continuity between TCM harness connector terminals and A/T assembly harness connector terminals.
TCM
A/T assembly
Continuity
Connector
Terminal
Connector
Terminal
E73
49
F215
4
Existed
50
3
Is the inspection result normal?
YES
GO TO 4 .
NO
Repair or replace malfunctioning parts.
- CHECK CIRCUIT BETWEEN TCM AND A/T ASSEMBLY
Check continuity between TCM harness connector terminals and ground.
TCM
-
Continuity
Connector
Terminal
E73
49
Ground
Not existed
50
Is the inspection result normal?
YES
GO TO 5 .
NO
Repair or replace malfunctioning parts.
- CHECK CIRCUIT BETWEEN B1 BRAKE SOLENOID VALVE AND ANOTHER CIRCUIT
Check continuity between TCM harness connector terminals.
TCM
Continuity
Connector
Terminal
E73
49
Other than the 49
Not existed
50
Other than the 50
Is the inspection result normal?
YES
GO TO 6 .
NO
Repair or replace malfunctioning parts.
- CHECK CIRCUIT BETWEEN B1 BRAKE SOLENOID VALVE AND TCM
- Disconnect TCM connector and A/T assembly connector.
- Turn ignition switch ON.
- Check voltage between TCM harness connector terminals and ground.
TCM
-
Voltage
Connector
Terminal
E73
49
Ground
Other than the battery voltage
50
Is the inspection result normal?
YES
Replace the transmission assembly. Refer to Removal and Installation (2WD), Removal and Installation (4WD).
NO
Repair or replace malfunctioning parts.