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DIAGNOSTIC PROCEDURE CHECK GROUND CIRCUIT. connector in engine compartment. 3. Check resistance between terminal q 4 and ground. Ω OK E NG 1. Remove control valve assembly. Refer to 2. Check the following items: I Line pressure solenoid I Harness of terminal CHECK POWER SOURCE CIRCUIT. q 4 and TCM harness connector terminal q 2 . Resistance: 11.2 - 12.8 Ω OK E NG Check the following items: I Dropping resistor I Harness for short or q 2 and terminal cord assembly (Main CHECK POWER SOURCE CIRCUIT. q 6 and TCM harness connector terminal q 1 . Resistance: Approximately 0 Ω If OK, check harness for short to 3. Reinstall any part removed. OK E NG Repair open circuit or short Perform “SELF-DIAGNOSIS CODE CON- OK E NG 1. Perform TCM input/ output signal inspection. 2. If NG, recheck TCM pin terminals for damage or INSPECTION END YAT321 YAT322 H H H H TROUBLE DIAGNOSIS FOR LINE PRESSURE S/V Line Pressure Solenoid Valve (Cont’d) AT-85 |