Owner's Manual

MTC-46
TROUBLE DIAGNOSIS
Revision: March 2005 2005 Altima
6. CHECK MOTOR OPERATION
Disconnect and reconnect the motor connectors and confirm the motor operation.
OK or NG
OK >> (Returns to normal operation.)
● Motor connector contacts dirty or damaged
NG >> (Does not operate normally.)
● GO TO 7.
7. CHECK MODE DOOR MOTOR AND AIR MIX DOOR MOTOR OPERATION
1. Disconnect the intake door motor connector.
2. Reconnect the mode door motor connector and air mix door motor connector, confirm the mode door
motor and air mix door motor operation.
OK or NG
OK >> (Mode door motor and air mix door motor operate normally.)
● Replace the intake door motor. refer to ATC-97, "Removal and Installation"
NG >> (Mode door motor and air mix door motor do not operate normally.)
● GO TO 8.
8. CHECK AIR MIX DOOR MOTOR AND INTAKE DOOR MOTOR OPERATION
1. Disconnect mode door motor connector.
2. Reconnect the intake door motor connector, confirm the air mix door motor and intake door motor opera-
tion.
OK or NG
OK >> (Air mix door motor and intake door motor operate normally.)
● Replace mode door motor. Refer toATC-98, "Removal and Installation"
NG >> (Air mix door motor and intake door motor do not operate normally.)
● GO TO 9.
9. CHECK INTAKE DOOR MOTOR AND MODE DOOR MOTOR OPERATION
1. Disconnect air mix door motor connector.
2. Reconnect mode door motor connector, confirm the intake door motor and mode door motor operation.
OK or NG
OK >> (Intake door motor and mode door motor operate normally.)
● Replace air mix door motor. refer to MTC-85, "Removal and Installation"
NG >> (Intake door motor and mode door motor do not operate normally.)
● Replace front air control. Refer to MTC-76, "FRONT AIR CONTROL" .