Owner's Manual

MTC-40
TROUBLE DIAGNOSIS
Revision: March 2005 2005 Altima
Operational Check EJS002SH
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 dial clockwise, blower should operate on low speed.
2. Continue turning fan dial clockwise, and continue checking
blower speeds until all speeds are checked.
3. Leave blower on HI speed.
If NG, go to MTC-53, "
Blower Motor Circuit" .
If OK, continue with next check.
2. Check Discharge Air
1. Turn mode switch clockwise five positions.
2. Confirm that discharge air comes out according to the air distri-
bution table.
Refer to MTC-26, "
Discharge Air Flow" .
NOTE:
Confirm that the compressor clutch is engaged (audio or visual
inspection) and intake door position is at FRESH when the DEF
is selected.
Intake door position is checked in the next step.
If NG, go to MTC-47, "
Mode Door Motor Circuit" .
If OK, continue with next check.
3. Check Recirculation
1. Press REC switch.
WJIA0911E
WJIA0912E
WJIA0910E