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DIAGNOSTIC PROCEDURE CHECK GROUND CIRCUIT. connector in engine compartment. 3. Check resistance between terminal q 3 and ground. Ω OK E NG 1. Remove control valve assembly. Refer to 2. Check the following items: I Overrun clutch solenoid I Harness of terminal cord CHECK POWER SOURCE CIRCUIT. q 3 and TCM harness connector terminal q 20 . Resistance: Approximately 0 Ω If OK, check harness for short to 4. Reinstall any part removed. OK E NG Repair open circuit or short Perform “SELF-DIAGNOSIS CODE OK E NG 1. Perform TCM input/output signal inspection. 2. If NG, recheck TCM pin terminals for damage or INSPECTION END COMPONENT INSPECTION Overrun clutch solenoid valve I For removal, refer to AT-118. Resistance check I Check resistance between terminal q 3 and ground. Solenoid valve Terminal No. Resistance (Approx.) Overrun clutch q 3 Ground 20 - 40 Ω Operation check I Check solenoid valve by listening for its operating sound while q 3 and ground. YAT308 YAT309 YAT310 YAT311 H H H TROUBLE DIAGNOSIS FOR OVERRUN CLUTCH S/V Overrun Clutch Solenoid Valve (Cont’d) AT-72 |