Diagnosis Procedure
- CHECK CONNECTOR
Check the metal deposition, damage, and corrosion of connectors (F214 and E73 and E74).
Is the inspection result normal?
YES
GO TO 2 .
NO
Repair or replace malfunctioning parts.
- CHECK TCM INPUT SIGNALS
- Start the engine.
- Check voltage between TCM harness connector terminal and ground.
+
-
Condition
Voltage
TCM
Connector
Terminal
E73
57
Ground
ATF temperature: Approx. 20°C (68°F)
3.17 - 3.47 V
ATF temperature: Approx. 50°C (122°F)
1.83 - 2.09 V
ATF temperature: Approx. 80°C (176°F)
0.93 - 1.09 V
Is the inspection result normal?
YES
INSPECTION END
NO
GO TO 3 .
- CHECK CIRCUIT BETWEEN TCM AND A/T FLUID TEMPERATURE SENSOR 1
- Turn ignition switch OFF.
- Disconnect TCM connector and A/T assembly connector.
- Check continuity between TCM harness connector terminals and ground.
TCM
A/T fluid temperature sensor 1
Continuity
Connector
Terminal
Connector
Terminal
E73
57
F214
2
Existed
58
1
Is the inspection result normal?
YES
GO TO 4 .
NO
Repair or replace malfunctioning part.
- CHECK CIRCUIT BETWEEN A/T FLUID TEMPERATURE SENSOR 1 AND ANOTHER CIRCUIT
Check continuity between TCM harness connector terminals.
TCM
Continuity
Connector
Terminal
E73
57
Other than the 57
Not existed
58
Other than the 58
Is the inspection result normal?
YES
Replace A/T fluid temperature sensor 1. Refer to Removal and Installation .
NO
Repair or replace malfunctioning parts.