Workshop Manual

HEATING, VENTILATION AND AIR CONDITIONING (HVAC)
1A–113
Chart C: Fan Does Not Rotate In Any Mode Other Than MAX HI
Step Action Value(s) Yes No
1 Is the power transistor performance normal? (Refer to
the later section on “individual inspection” )
— Go to Step 2
Replace the
power
transistor
2 Is there continuity between the harness side connector
terminal No.C36–2 and No.C34–1, No.C36–2 and
No.I20–17?
— Go to Step 4 Go to Step 3
3 Repair an open circuit between terminal.
No.C36–2 and C34–1
No.C36–2 and I20–17
— Go to Step 2 —
4 Is there continuity between the harness side connector
terminal No.C34–3 and ground (No.C–10)?
— Go to Step 6 Go to Step 5
5 Repair an open circuit between terminal No.C34–3 and
ground.
Is the action complete?
— Go to Step 4 —
6 Is there continuity between the harness side connector
terminal No.C34–2 and No.I20–19?
— Go to Step 8 Go to Step 7
7 Repair an open circuit between terminal No.C34–2 and
No.I20–19.
Is the action complete?
— Go to Step 6 —
8 Replace the auto air conditioner control unit.
Is the action complete?
— Verify repair —