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HEATING, VENTILATION AND AIR CONDITIONING (HVAC) 1A–121 Chart A: Does Not work At All Step Action Value(s) Yes No 1 1. Turn on the ignition switch (the engine is run). 2. Disconnect the mix actuator connector (C–45). 3. Short-circuit the chassis harness side connector terminal No.C45–2 and No.C45–7. 4. Using the temperature control lever, select FH for the temperature. Is the battery voltage applied on a regular interval — Go to Step 3 Go to Step 2 2 Replace the auto air conditioner control unit.
— Varify repair — 3 Using the temperature control lever, select FC for the — Go to Step 5 Go to Step 4 4 Replace the auto air conditioner control unit. — Verify repair — 5 Is there continuity between the harness side — Go to Step 7 Go to Step 6 6 Repair an open circuit between terminal No.I20–6 and — Go to Step 5 — 7 Is there continuity between the harness side — Go to Step 9 Go to Step 8 8 Repair an open circuit between terminal No.I20–5 and — Verify repair — 9 Replace the mix actuator. — Verify repair — |