Page 148 of 2898
2 CHECK POWER SOURCE CIRCUIT
1. Turn ignition switch to ªOFFº position.
2. Disconnect TCM harness connector.
3. Check continuity between terminal 2 and TCM harness connector terminal 11.
Continuity should exist.
SAT901JB
If OK, check harness for short to ground and short to power.
4. Reinstall any part removed.
OK or NG
OK©GO TO 3.
NG©Repair open circuit or short to ground or short to power in harness or connectors.
3 CHECK DTC
Perform Self-diagnosis Code confirmation procedure, AT-143.
OK or NG
OK©INSPECTION END
NG©1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness con-
nector.
SHIFT SOLENOID VALVE AEXCEPT FOR EURO-OBD
Diagnostic Procedure (Cont'd)
AT-146
Page 153 of 2898
Diagnostic ProcedureNJAT0068
1 CHECK VALVE RESISTANCE
1. Turn ignition switch to ªOFFº position.
2. Disconnect terminal cord assembly connector in engine compartment.
3. Check resistance between terminal 1 and ground.
Resistance:
5-20W
SAT904JA
OK or NG
OK©GO TO 2.
NG©1. Remove control valve assembly. Refer to AT-351.
2. Check the following items:
+Shift solenoid valve B
Refer to ªComponent Inspectionº, AT-153.
+Harness of terminal cord assembly for short or open
SHIFT SOLENOID VALVE BEXCEPT FOR EURO-OBD
Diagnostic Procedure
AT-151
Page 154 of 2898
2 CHECK POWER SOURCE CIRCUIT
1. Turn ignition switch to ªOFFº position.
2. Disconnect TCM harness connector.
3. Check continuity between terminal 12 and TCM harness connector terminal 1.
Continuity should exist.
SAT905JA
If OK, check harness for short to ground and short to power.
4. Reinstall any part removed.
OK or NG
OK©GO TO 3.
NG©Repair open circuit or short to ground or short to power in harness or connectors.
3 CHECK DTC
Perform Self-diagnosis Code confirmation procedure, AT-149.
OK or NG
OK©INSPECTION END
NG©1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness con-
nector.
SHIFT SOLENOID VALVE BEXCEPT FOR EURO-OBD
Diagnostic Procedure (Cont'd)
AT-152
Page 158 of 2898
Diagnostic ProcedureNJAT0074
1 CHECK VALVE RESISTANCE
1. Turn ignition switch to ªOFFº position.
2. Disconnect terminal cord assembly connector in engine compartment.
3. Check resistance between terminal 3 and ground.
Resistance:
20-30W
SAT908JA
OK or NG
OK©GO TO 2.
NG©1. Remove control valve assembly. Refer to AT-351.
2. Check the following items:
+Overrun clutch solenoid valve
Refer to ªComponent Inspectionº, AT-158.
+Harness of terminal cord assembly for short or open
OVERRUN CLUTCH SOLENOID
VALVE
EXCEPT FOR EURO-OBD
Diagnostic Procedure
AT-156
Page 159 of 2898
2 CHECK POWER SOURCE CIRCUIT
1. Turn ignition switch to ªOFFº position.
2. Disconnect TCM harness connector.
3. Check continuity between terminal 3 and TCM harness connector terminal 20.
Continuity should exist.
SAT909JA
If OK, check harness for short to ground and short to power.
4. Reinstall any part removed.
OK or NG
OK©GO TO 3.
NG©Repair open circuit or short to ground or short to power in harness or connectors.
3 CHECK DTC
Perform Self-diagnosis Code confirmation procedure, AT-154.
OK or NG
OK©INSPECTION END
NG©1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness con-
nector.
OVERRUN CLUTCH SOLENOID
VALVE
EXCEPT FOR EURO-OBD
Diagnostic Procedure (Cont'd)
AT-157
Page 164 of 2898
Diagnostic ProcedureNJAT0056
1 CHECK VALVE RESISTANCE
1. Turn ignition switch to ªOFFº position.
2. Disconnect terminal cord assembly connector in engine compartment.
3. Check resistance between terminal 5 and ground.
Resistance:
5-20W
SAT889JA
OK or NG
OK©GO TO 2.
NG©1. Remove oil pan. Refer to AT-351.
2. Check the following items:
+Torque converter clutch solenoid valve
Refer to ªComponent Inspectionº, AT-164.
+Harness of terminal cord assembly for short or open
TORQUE CONVERTER CLUTCH
SOLENOID VALVE
EXCEPT FOR EURO-OBD
Diagnostic Procedure
AT-162
Page 165 of 2898
2 CHECK POWER SOURCE CIRCUIT
1. Turn ignition switch to ªOFFº position.
2. Disconnect TCM harness connector.
3. Check continuity between terminal 5 and TCM harness connector terminal 3.
Continuity should exist.
SAT890JA
If OK, check harness for short to ground and short to power.
4. Reinstall any part removed.
OK or NG
OK©GO TO 3.
NG©Repair open circuit or short to ground or short to power in harness or connectors.
3 CHECK DTC
Perform Self-diagnosis Code confirmation procedure, AT-160.
OK or NG
OK©INSPECTION END
NG©1. Perform TCM input/output signal inspection.
2. If NG, recheck TCM pin terminals for damage or loose connection with harness con-
nector.
TORQUE CONVERTER CLUTCH
SOLENOID VALVE
EXCEPT FOR EURO-OBD
Diagnostic Procedure (Cont'd)
AT-163
Page 167 of 2898

SAT283HC
SAT021J
DescriptionNJAT0076The A/T fluid temperature sensor detects the A/T fluid temperature
and sends a signal to the TCM.
CONSULT-II REFERENCE VALUE IN DATA MONITOR
MODE
NJAT0076S01Remarks: Specification data are reference values.
Monitor item Condition Specification
A/T fluid temperature sensorCold [20ÉC (68ÉF)]
¯
Hot [80ÉC (176ÉF)]Approximately 1.5V
¯
Approximately 0.5VApproximately 2.5 kW
¯
Approximately 0.3 kW
TCM TERMINALS AND REFERENCE VALUENJAT0076S02Remarks: Specification data are reference values.
Terminal
No.Wire color Item ConditionJudgement
standard
10 BR/R Power source
When turning ignition switch to
ªONº.Battery voltage
When turning ignition switch to
ªOFFº.1V or less
19 BR/R Power source Same as No. 10
28 R/BPower source
(Memory back-up)
or
When turning ignition switch to
ªOFFº.Battery voltage
When turning ignition switch to
ªONº.Battery voltage
42 BGround
(A/T fluid tempera-
ture sensor)
ÐÐ
47 BRA/T fluid tempera-
ture sensorWhen ATF temperature is 20ÉC
(68ÉF).Approximately
1.5V
When ATF temperature is 80ÉC
(176ÉF).Approximately
0.5V
BATT/FLUID TEMP SEN (A/T FLUID TEMP SENSOR CIRCUIT AND TCM
POWER SOURCE)
EXCEPT FOR EURO-OBD
Description
AT-165