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Symptom Inspection Reference Air outlet vent cannot be changed. 8 Rear window defogger does not operate. 9 Blower motor power supply system. 10 When sunlight intensity changes, air outlet temperature does not change. 11 SYMPTOM PROCEDURES INSPECTION PROCEDURE 11: When Sunlight Intensity Changes, Air Outlet M15504000137USA0000010000 Photo Sensor Circuit A/C-ECU PHOTO ZC6008760043 Connectors: C-05, C-109 C-109 (B) C-05 CIRCUIT OPERATION TROUBLESHOOTING HINTS ⦆ Malfunction of the photo sensor ⦆ Malfunction of the A/C-ECU ⦆ Malfunction of connector. ⦆ Malfunction of the harness. DIAGNOSIS Required Special Tools: ⦆ MB991223: Harness Set AUTOMATIC AIR CONDITIONING 55B-11 AUTO A/C DIAGNOSIS |