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1A–128 HEATING, VENTILATION AND AIR CONDITIONING (HVAC) Chart B: Fan Does Not Rotate in MAX HI Mode Step Action Value(s) Yes No 1 Is the MAX-HI relay (B–25) normal? — Go to Step 2 Replace the relay 2 1. Turn on the ignition switch (the engine is run). 2. Set the fan switch to the MAX-HI. Is there continuity between the harness side — Go to Step 4 Go to Step 3 3 Repair an open circuit between terminal No.B5–1 and — Go to Step 3 — 4 Is there continuity between the harness side — Go to Step 6 Go to Step 5 5 Repair an open circuit between terminal No.B25–4 — Go to Step 4 — 6 Is the battery voltage applied between the harness — Go to Step 8 Go to Step 7 7 Repair an open circuit between terminal No.B25–1 — Go to Step 6 — 8 Is the battery voltage applied between the harness — Go to Step 10 Go to Step 9 9 Repair an open circuit between terminal No.B25–3 — Verify repair — 10 Replace the auto air conditioner control unit. — Verify repair — |