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Memory Function Does Not Operate




MEMORY FUNCTION DOES NOT OPERATE

Memory Function Check

SYMPTOM: Memory function does not operate.

INSPECTION FLOW


1. CONFIRM SYMPTOM BY PERFORMING OPERATIONAL CHECK - MEMORY FUNCTION

1.Set the temperature to 32�C (90�F).
2.Rotate the front blower control dial (driver) to turn system OFF.
3.Turn ignition switch OFF.
4.Turn ignition switch ON.
5.Press the AUTO switch.
6.Confirm that the set temperature remains at previous temperature.
7.Rotate the front blower control dial (LH) to turn system OFF.
Can the symptom be duplicated?
YES- GO TO 3.
NO- GO TO 2.

2. PERFORM COMPLETE OPERATIONAL CHECK

Perform a complete operational check and check for any symptoms. Operational Check (Front).
Can a symptom be duplicated?
YES- How To Perform Trouble Diagnosis For Quick And Accurate Repair.
NO- System OK.

3. CHECK FOR SERVICE BULLETINS

Check for any service bulletins.
- GO TO 4.

4. PERFORM SELF-DIAGNOSIS

Perform self-diagnosis to check for any codes. A/C Auto Amp. Self-Diagnosis.
Are any self-diagnosis codes present?
YES- A/C System Self-Diagnosis Code Chart.
NO- GO TO 5.

5. CHECK POWER AND GROUND CIRCUIT

Check main power supply and ground circuit. Power Supply And Ground Circuit For Controller.
Is the inspection result normal?
YES- GO TO 6.
NO- Repair or replace as necessary.

6. RECHECK FOR SYMPTOMS

Perform a complete operational check for any symptoms. Operational Check (Front).
Does another symptom exist?
YES- How To Perform Trouble Diagnosis For Quick And Accurate Repair.
NO- Replace A/C Auto amp. Service and Repair.