|
|
SYMPTOM TROUBLESHOOTING 07-03–9 07-03 End Of Sie 5 INSPECT TO SEE WHETHER MALFUNCTION • Disconnect the climate control unit connector. • Measure the voltages at the following climate control unit terminals. (Auto A/C) — Terminal K (FRESH motor drive signal) — Terminal I (RECIRCULATE motor drive signal) (Manual A/C) — Terminal X (FRESH motor drive signal) — Terminal V (RECIRCULATE motor drive signal) • Are voltages approx. 0 V? Yes Go to the next step. No Repair the wiring harness between the climate control unit 6 INSPECT TO SEE WHETHER MALFUNCTION • Turn the ignition switch to the LOCK position. • Inspect for continuity at the following terminals between the climate control unit (Auto A/C) — Terminal K (FRESH motor drive signal) — Terminal I (RECIRCULATE motor drive signal) (Manual A/C) — Terminal X (FRESH motor drive signal) — Terminal V (RECIRCULATE motor drive signal) • Is there continuity? Yes Repair the wiring harness between the climate control unit No Go to the next step. 7 INSPECT AIR INTAKE LINK • Inspect the air intake links. — Is there grease on link? — Are the links securely and properly installed? — Are the links free of obstructions and hindrances? • Are the above items normal? Yes Go to the next step. No Apply grease to the links. If any the links are damaged, 8 INSPECT TO SEE WHETHER MALFUNCTION • Inspect the A/C unit air intake door. — Is the door free of obstructions, cracks, and damage? — Are the doors securely and properly installed? • Are the above items normal? Yes Replace the climate control unit, then go to the next step. No Remove obstruction, or install the doors in the proper 9 CONFIRM THAT MALFUNCTION SYMPTOMS • Does the air intake mode change smoothly? Yes Troubleshooting completed. Explain repairs to customer. No Recheck malfunction symptoms, then repeat from Step 1 if STEP INSPECTION ACTION 1871-1U-06B(07-03).fm 9 ページ 2006年3月15日 水曜日 午前11時28分 |