TROUBLE DIAGNOSES Preliminary Check (Cont’d) PRELIMINARY CHECK 2 Intake door does not change. CHECK SENSOR CIRCUIT. Set up Self-diagnosis STEP 2. Is each sensor circuit normal? Code No. 20 should be indicated on the display after approx. 3 seconds later.
No E
CHECK SENSOR CIRCUIT IN DETAIL ACCORDING TO THE DIAGNOSTIC PROCEDURE BELOW CORRESPONDED TO EACH CODE NO. Code No.
Yes
Reference page
How to repair
/−
Go to Ambient Sensor Circuit.
HA-90
/−
Go to In-vehicle Sensor Circuit.
HA-93
/−
Go to Intake Sensor Circuit.
HA-96
/−
Go to Sunload Sensor Circuit.
HA-97
/−
Go to Air Mix Door Motor Circuit.
HA-102
/−
Go to Bi-level Door Motor Circuit.
HA-104
Are sensor circuits for ambient sensor, in-vehicle sensor, and intake sensor operating normally? If malfunction is suspected, check temperature detected by each sensor using Self-diagnosis STEP 5. Confirm the temperature is within normal range before performing Diagnostic Procedures.
H
CHECK INTAKE DOOR MOTOR OPERATION. Set up Self-diagnosis STEP 4. Does intake air change according to each code No.?
No E
CHECK INTAKE DOOR ROD or LEVER MECHANISM. Refer to Control Linkage Adjustment. (HA-124) OK
REC REC REC
20% 20% FRE FRE FRE FRE FRE Yes
H
Go to Intake Door Motor Circuit. (HA109)
H
Intake door control system is normal.
HA-56
NG E
Repair or adjust.