Workshop Manual

1A–114
HEATING, VENTILATION AND AIR CONDITIONING (HVAC)
Chart D: Fan Does Not Stop
Step Action Value(s) Yes No
1 1. Disconnect the max high relay, the power transistor
connector C–34 and the auto A/C control unit
connector I–20.
2. Turn on the ignition switch.
Does the blower motor stop?
— Go to Step 3 Go to Step 2
2 Repair a short circuit between connector No.C36–2
and No.C35–5, No.C36–2 and No.C34–1, or
No.C36–2 and I20–17.
Is the action complete?
— Verify repair —
3 Is the max high relay normal? (Refer to the later section
on “individual inspection”. )
— Go to Step 4
Replace the
relay
4 Reinstall the max high relay.
Does the blower motor start operating?
— Go to Step 6 Go to Step 5
5 Repair a short circuit between connector No.C35–4
and No.I19–2.
Is the action complete?
— Go to Step 4 —
6 Is the power transistor normal? (Refer to the later
section on “individual inspection”. )
— Go to Step 7
Replace the
power
transistor
7 Reinstall the power transistor.
Does the blower motor start operating?
—
Replace the
auto A/C
control unit
—