Description
The front blower motor utilizes a brush-less motor with a rotating magnet. Quietness is improved over previous motors where the brush was the point of contact and the coil rotated.
Regarding Wiring Diagram information, refer to HAC "Wiring Diagram" or HAC "Wiring Diagram".
1.CHECK SYMPTOM
Check symptom (A or B).
Which symptom is detected?
A >>GO TO 2.
B >>GO TO 7.
2.CHECK FUSE
NOTE: Refer to PG "Terminal Arrangement".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Replace the blown fuse after repairing the affected circuit.
3.CHECK FRONT BLOWER MOTOR POWER SUPPLY
Is the inspection result normal?
YES >> GO TO 5.
NO >> GO TO 4.
4.CHECK BLOWER RELAY
Is the inspection result normal?
YES >> Repair harness or connector between front blower motor and fuse.
NO >> Replace blower relay.
5.CHECK FAN SWITCH GROUND CIRCUIT FOR OPEN
Is the inspection result normal?
YES >> GO TO 6.
NO >> Repair harness or connector.
6.CHECK FAN SWITCH 4TH POSITION CIRCUIT FOR OPEN
Check continuity between front air control harness connector and front blower
motor harness connector.
Is the inspection result normal?
YES >> GO TO 10.
NO >> Repair the harness or connector.
7.CHECK FRONT BLOWER MOTOR RESISTOR POWER SUPPLY
Is the inspection result normal?
YES >> GO TO 8.
NO >> Repair harness or connector between front blower motor resistor and front blower motor.
8.CHECK FAN SWITCH 1ST, 2ND, AND 3RD POSITION CIRCUIT FOR OPEN
Is the inspection result normal?
YES >> GO TO 9.
NO >> Repair harness or connector.
9.CHECK FRONT BLOWER MOTOR RESISTOR
Check front blower motor resistor. Refer to HAC "Component Inspection (Front Blower Motor Resistor)".
Is the inspection result normal?
YES >> GO TO 10.
NO >> Replace front blower motor resistor. Refer to HAC "Removal and Installation".
10.CHECK FAN SWITCH
Check fan switch. Refer to HAC "Component Inspection (Fan Switch)".
Is the inspection result normal?
YES >> Replace front blower motor. Refer to VTL "Removal and Installation".
NO >> Replace front air control. Refer to HAC "Removal and Installation".
Component Inspection (Front Blower Motor)
1.CHECK FRONT BLOWER MOTOR
Does the front blower motor operate?
YES >> Intermittent incident. Refer to GI"Intermittent Incident".
NO >> Replace front blower motor. Refer to VTL "Removal and Installation".
1.CHECK BLOWER RELAY
Is the inspection result normal?
YES >> Inspection End.
NO >> Replace blower relay.
Component Inspection (Front Blower Motor Resistor)
1.CHECK FRONT BLOWER MOTOR RESISTOR
Is the inspection result normal?
YES >> Inspection End.
NO >> Replace front blower motor resistor. Refer to HAC "Removal and Installation".
Component Inspection (Fan Switch)
1.CHECK FAN SWITCH
Is the inspection result normal?
YES >> Inspection End.
NO >> Replace front air control. Refer to HAC "Removal and Installation".
Diagnosis Procedure Regarding Wiring Diagram information, refer to HAC "Wiring Diagram" or HAC "Wiring Diagram". 1.CHECK A/C INDICATOR POWER SUPPLY Turn ignition switch O ...
Evaporator
Removal and Installation
REMOVAL
Remove A/C unit assembly. Refer to HA "Removal and Installation".
Disassemble A/C unit assembly and the evaporator assembly.
Remove thermo control amp. from evaporator assembly.
CAUTION:
If reusing the evaporator, mark the location of the the ...
IPDM-E Branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the IPDM E/R for damage, bend and
loose connection (unit side
and connector side).
Is the inspection result normal?
Y ...