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− − − − − − 01 02 S0X4AZ1A20336112101FAAT00 ’01 Model YES NO YES NO YES NO 11-190 Idle Control System A/C Signal Circuit Troubleshooting (cont’d) PCM CONNECTORS A (31P) E (31P) LG1 (BRN/BLK) ACS PCM CONNECTORS A (31P) E (31P) LG1 (BRN/BLK) ACC (RED) JUMPER WIRE 1. Turn the ignition switch OFF. 2. Disconnect the A/C pressure switch 4P connector. 3. Turn the ignition switch ON (II). 4. Measure voltage between PCM connector terminals A26 and E21. Go to step 5. Go to step 12. 5. Turn the ignition switch OFF. 6. Reconnect the A/C pressure switch 4P connector. 7. Turn the ignition switch ON (II). 8. Momentarily connect PCM connector terminals A26 and E12 with a jumper wire several times. Go to step 9. Go to step 15. 9. Start the engine. 10. Turn the blower switch ON. 11. Turn the A/C switch ON. The air conditioning signal is OK. Go to step 16. 12. Turn the ignition switch OFF. 13. Disconnect PCM connector E (31P). Wire side of female terminals Wire side of female terminals Is ther e about 5 V ? Is ther e a clicking noise f r om the A/ C compr essor Does the A/ C oper ate? 03/07/29 09:23:08 61S0X050_110_0190 |