Owner's Manual

TROUBLE DIAGNOSIS
MTC-35
C
D
E
F
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MTC
Operational Check EJS001AS
The purpose of the operational check is to confirm that the system operates properly.
CONDITIONS:
● Engine running and at normal operating temperature.
PROCEDURE:
1. Check Blower
1. Turn fan control switch to 1-speed.
Blower should operate on 1-speed.
2. Then turn fan control switch to 2-speed, and continue checking
blower speed until all speeds are checked.
3. Leave fan control switch on 4-speed.
If NG, go to MTC-46, "
Trouble Diagnosis Procedure for Blower
Motor" .
If OK, continue with next check.
2. Check Discharge Air
1. Turn knob to each mode.
2. Confirm that discharge air comes out according to the air distri-
bution table.
Refer to MTC-21, "
Discharge Air Flow" .
If NG, go to MTC-42, "
TROUBLE DIAGNOSIS PROCEDURE FOR
MODE DOOR" .
If OK, continue with next check.
NOTE:
Confirm that the compressor clutch is engaged (visual inspec-
tion) and intake door position is at FRESH when the DEF
mode is selected.
Confirm that the intake door position is at FRESH when the F/D
mode is selected.
Intake door position is checked in the next step.
LHA110
LHA111
RHA654F