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-32, "DTC Inspection Priority Chart".
>> GO TO 7.
5.OPERATION CHECK
Perform the operation check. Refer to HAC-48, "Work Procedure".
>> GO TO 6.
6.SYMPTOM DIAGNOSIS
Check the symptom diagnosis table. Refer to HAC-96, "Diagnosis Chart By Symptom".
>> 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-48, "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.
Conditions : Engine running at normal operating temperature
INSPECTION PROCEDURE
1.CHECK MEMORY FUNCTION
Is the inspection result normal? YES >> GO TO 2.
NO >> Check power and ground circuits for A/C auto amp. Refer to HAC-56, "Diagnosis Procedure".
2.CHECK BLOWER MOTOR SPEED
Is the inspection result normal? YES >> GO TO 3.
NO >> Check blower motor system. Refer to HAC-85, "Diagnosis Procedure".
3.CHECK DISCHARGE AIR (MODE SWITCH AND DEF SWITCH)
NOTE:
Confirm that the A/C compressor clutch is engaged (sound or visual inspection)
and intake door position is at
FRE (
) when the D/F (
) or DEF (
)
is selected.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Check mode door system. Refer to HAC-80, "Diagnosis Procedure".
4.CHECK INTAKE AIR
)
switch. Indicator is turned ON.
)
switch. Indicator is turned ON.NOTE:
Confirm that the A/C compressor clutch is engaged (sound or visual inspection)
and the FRE (
) switch is
pressed when the D/F (
) or DEF (
) is selected.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Check intake door system. Refer to HAC-77, "Diagnosis Procedure".
5.CHECK A/C SWITCH
Confirm that the A/C compressor clutch engages (sound or visual inspection).
Is the inspection result normal? YES >> GO TO 6.
NO >> Check magnet clutch system. Refer to HAC-91, "Diagnosis Procedure".
6.CHECK TEMPERATURE DECREASE
Is the inspection result normal? YES >> GO TO 7.
NO >> Check for insufficient cooling. Refer to HAC-98, "Diagnosis Procedure".
7.CHECK TEMPERATURE INCREASE
Is the inspection result normal? YES >> GO TO 8.
NO >> Check for insufficient heating. Refer to HAC-99, "Diagnosis Procedure".
8.CHECK DUAL MODE FUNCTION
Is the inspection result normal? YES >> GO TO 9.
NO >> Refer to HAC-96, "Diagnosis Chart By Symptom" and perform the appropriate diagnosis.
9.CHECK AUTO MODE
Is the inspection result normal? YES >> Inspection End.
NO >> Refer to HAC-96, "Diagnosis Chart By Symptom" and perform the appropriate diagnosis.
SYSTEM SETTING
Temperature Setting Trimmer
Description
If the temperature felt by the customer is different than the airflow temperature controlled by the temperature setting, the auto amplifier control temperature can be adjusted to compensate for the temperature setting.
How to set
Using CONSULT, perform “TEMP SET CORRECT” in “WORK SUPPORT” of HVAC.

NOTE:
Foot Position Setting Trimmer
DESCRIPTION
In FOOT mode, the air blowing to DEF can change ON/OFF.
HOW TO SET
With CONSULT
Perform the “BLOW SET” of HVAC work support item.

NOTE: When the battery cable is disconnected from the negative terminal or when the battery voltage becomes 10 V or less, the setting of the discharge air mix ratio in FOOT mode may be cancelled.
Inlet Port Memory Function (FRE)
Description
) switch is set to ON
(fresh air intake),
“Perform the memory” or “Do not perform the memory” of the FRE (
) switch ON (fresh air intake) condition
can be selected.
) switch will be ON (fresh
air intake) when turning the ignition
switch to the ON position again.How to set
Using CONSULT, perform “FRE MEMORY SET” in “WORK SUPPORT” of HVAC.

NOTE: When the battery cable is disconnected from the negative terminal or when the battery voltage becomes 10V or less, the setting of the FRE switch memory function may be cancelled.
Inlet Port Memory Function (REC)
Description
) switch is set to ON (recirculation),
“Perform the memory” or “Do not perform the memory” of the REC (
) switch ON (recirculation) condition
can be selected.
) switch will be ON (recirculation) when turning the ignition
switch to the ON position again.How to set
Using CONSULT, perform “REC MEMORY SET” in “WORK SUPPORT” of HVAC.

NOTE: When the battery cable is disconnected from the negative terminal or when the battery voltage becomes 10V or less, the setting of the REC switch memory function may be cancelled.
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 diagnosisIntermittent incident
DESCRIPTION
Sometimes the symptom is not present when the vehicle is brought in for
service. If possible, re-create the
conditions present at the time of the incident. Doing so may help avoid a No
Trouble Found Diagnosis. The following section illustrates ways to simulate the
conditions/envi ...
2nd row bench seat adjustment
Outboard seats
Forward and backward
Pull the center of the bar 1 up and hold it while
you slide the seat forward or backward to the
desired position. Release the bar to lock the seat
in position.
Reclining
To recline the seatback, pull up on the lever 2
and lean back. To bring the seatba ...
P0863 TCM communication
DTC Description
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis content)
DTC detection condition
P0863
CONTROL UNIT (CAN)
(TCM Communication Circuit)
An error is detected at the initial CAN diagnosis of TCM.
POSSIBLE CAUSE
TCM
FAIL-SAFE
...