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
Is the test result normal? YES >> GO TO 5.
NO >> Refer to HAC-166, "FRONT A/C CONTROL : Diagnosis Procedure".
5.CHECK DISCHARGE AIR
Is the test result normal? YES >> GO TO 6.
NO >> Refer to HAC-174, "Symptom Table".
6.CHECK REC LED
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
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.
U1000 CAN COMM CIRCUIT
Description
CAN (Controller Area Network) is a serial communication line for real time
application. It is an on-vehicle multiplex
communication line with high data communication speed and excellent error
detection ability. Many electronic
control units are equipped onto a vehicle, and each co ...
Removal and installation
FRONT CAMERA
Exploded View
Front grille
Front camera
Removal and Installation
REMOVAL
Remove the front grille. Refer to EXT-23, "Removal and
Installation".
Remove screws and front camera.
INSTALLATION
Installation is in the reverse order of re ...
Precaution
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT
PRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”,
used along
with a front seat belt, helps to reduce the risk or severity of injury to the
...