Operational Check (Rear)

INSPECTION AND ADJUSTMENT


Operational Check (Rear)

The purpose of the operational check is to confirm that the system operates properly.

Conditions : Engine running and at normal operating temperature

CHECKING REAR SWITCH
1. Turn the ignition switch ON.
2. Press the rear cancel switch to ON position.
3. Press the AUTO switch on the A/C and AV switch assembly.



5. Leave blower on maximum speed.
If NG, go to trouble diagnosis procedure for Rear Air Control Circuit.
If OK, continue with next check.

CHECKING AUTO SWITCH (on rear control)
1. Press the AUTO switch on the rear control switch.
2. The fan speed should change and AUTO should be displayed on both displays.
If NG, go to Rear Air Control Circuit.
If OK, continue with next check.

CHECKING TEMPERATURE DECREASE (on rear control)
1. Press the temperature decrease button several times to 18�C (60�F) on rear control switch.
2. The front passenger temperature display and rear control switch display should read 18�C (60�F).
3. Check for cold air at appropriate discharge air outlets.
If NG, go to trouble diagnosis procedure for rear control switch. Rear Air Control Circuit.
If OK, continue with next check.

CHECKING TEMPERATURE INCREASE (on rear control)
1. Press the temperature increase button several times to 32�C (90�F) on rear control switch.
2. The front passenger temperature display and rear control switch display should read 32�C (90�F).
3. Check for warm air at appropriate discharge air outlets.
If NG, go to trouble diagnosis procedure for rear control switch. Rear Air Control Circuit.
If all operational checks are OK (symptom cannot be duplicated), go to With Color Display and perform tests as outlined. If symptom appears, check for HVAC and MULTI AV DTC by using CONSULT-III and perform "SELF-DIAGNOSIS
RESULTS" of HVAC and MULTI AV. If no DTCs are set, With Color Display and perform applicable trouble diagnosis procedures.