Fig AC System Problem Symptoms Table Front AC Of Courtesy of Toyota Motor Sales Usa Inc

2004 ACCESSORIES & EQUIPMENT Air Conditioning System - Diagnostics - Sequoia

Symptom

Suspect Area

Temperature Control: No temperature control (only Max cool or Max. warm)

1 Front room temp, sensor circuit 7. Amhlent temp sensor circuit

3. Front air mix damper position sensor circuit

4. Front air mix damper control servomotor circuit

5. Integration control and panel

No air inlet control

1. Front air Inlet damper position sensor circuit

2. Front air inlet damper control servomotor circuit

3. Integration control and panel

No air flow contioi

1 Air outlet damper position sensor circuit 2. Air outlet damper control servomotor circuit 3 Integration control and panel

Engine idle up does not occur, or is continuous

1. Compressor circuit 3. ECM

niTC not recorded. Set mode is cleared when IG switch is turned off.

1. Back-up power source circuit 2 Integration control and panel

G02922170

G02922170

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