DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
OVERALL SEQUENCE

DETAILED FLOW
1.INTERVIEW CUSTOMER
Interview the customer to obtain as much information as possible about the conditions and environment under which the malfunction occurred.
>> GO TO 2.
2.SYMPTOM CHECK
Verify symptoms.
>> GO TO 3.
3.CHECK FOR DTCS
With CONSULT
Is any DTC detected? YES >> GO TO 4.
NO >> GO TO 5.
4.PERFORM DTC DIAGNOSTIC PROCEDURE
Perform the diagnostic procedure for the detected DTC. Refer to HAC-134, "DTC Inspection Priority Chart".
>> GO TO 7.
5.OPERATION CHECK
Perform the operation check. Refer to HAC-148, "Work Procedure".
>> GO TO 6.
6.SYMPTOM DIAGNOSIS
Check the symptom diagnosis table. Refer to HAC-174, "Symptom Table".
>> GO TO 8.
7.VERIFY REPAIR.
With CONSULT
Is any DTC detected? YES >> GO TO 4.
NO >> GO TO 8.
8.PERFORM FINAL OPERATION CHECK
Perform the operation check. Refer to HAC-148, "Work Procedure".
Does it operate normally? YES >> Inspection End.
NO >> GO TO 2.
OPERATION INSPECTION
Work Procedure
DESCRIPTION
The purpose of the operational check is to check that the individual system operates normally.
Check condition : Engine running at normal operating temperature.
Check condition : Blower control dial in OFF position.
Check condition : REC off (LED extinguished).
Check condition : VENT selected (LED illuminated).
Check condition : DEF off (LED extinguished).
OPERATION INSPECTION
1.CHECK BLOWER
Is the test result normal? YES >> GO TO 2.
NO >> Refer to HAC-167, "Diagnosis Procedure".
2.CHECK A/C SWITCH LED
Is the test result normal? YES >> GO TO 3.
NO >> Refer to HAC-166, "FRONT A/C CONTROL : Diagnosis Procedure".
3.CHECK A/C SWITCH
Confirm that the compressor clutch engages (sound or visual inspection).
Is the test result normal? YES >> GO TO 4.
NO >> Refer to HAC-171, "Diagnosis Procedure".
4.CHECK FRONT AIR CONTROL MODE LEDS
), FOOT
(
), B/L
, and VENT
, MAX A/C, and DEF (
).Is the test result normal? YES >> GO TO 5.
NO >> Refer to HAC-166, "FRONT A/C CONTROL : Diagnosis Procedure".
5.CHECK DISCHARGE AIR
), FOOT
(
), B/L
, and VENT
and DEF (
).Is the test result normal? YES >> GO TO 6.
NO >> Refer to HAC-174, "Symptom Table".
6.CHECK REC LED
) and
make sure LED is off.
)
or B/L (
) is selected.
)
switch one time. REC indicator should illuminate.
) switch one
more time. REC indicator should go off.Is the test result normal? YES >> GO TO 7.
NO >> Refer to HAC-166, "FRONT A/C CONTROL : Diagnosis Procedure".
7.CHECK INTAKE DOOR OPERATION
)
switch one time. REC indicator should illuminate.
)
switch one more time. REC indicator should go off.Is the test result normal? YES >> GO TO 8.
NO >> Refer to HAC-157, "Diagnosis Procedure".
8.CHECK TEMPERATURE DECREASE
Is the test result normal? YES >> GO TO 9.
NO >> Refer to HAC-175, "Component Function Check".
9.CHECK TEMPERATURE INCREASE
Is the test result normal? YES >> Inspection End.
NO >> Refer to HAC-177, "Component Function Check".
SYSTEM SETTING
Target Evaporator Temp Upper Limit
DESCRIPTION
Set the target evaporator temperature upper limit.
HOW TO SET
With CONSULT
Perform the “TARGET EVAPORATOR TEMP UPPER LIMIT SETTING” of HVAC work support item.

DOOR MOTOR STARTING POSITION RESET
Description
NOTE: During reset, DEF switch indicator blinks.
Work Procedure
1.PERFORM DOOR MOTOR STARTING POSITION RESET
With CONSULT
>> Inspection End.
Wiring diagram
DTC/circuit diagnosisBasic inspection
DIAGNOSIS AND REPAIR WORK FLOW
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1.GET INFORMATION FOR SYMPTOM
Get detailed information from the customer about the symptom (the
condition and the environment when
the incident/malfunction occurs).
Check operation condition of the ...
Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1.GET INFORMATION FOR SYMPTOM
Get detailed information from the customer about the symptom (the
condition and the environment when
the incident/malfunction occurs).
Check operation condition of the ...
Ignition switch (if so equipped)
WARNING
Never remove or turn the key to the
LOCK position while driving. The steering
wheel will lock (for models with a
steering lock mechanism). This may
cause the driver to lose control of the
vehicle and could result in serious vehicle
damage or personal ...