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FULL-AUTOMATIC AIR CONDITIONER – Troubleshooting 55-48 Inspection procedure 11 Inside/outside air changeover is not possible. Probable cause If inside/outside air changeover is not possible even when the inside/outside air D Malfunction of inside/outside air changeover D Malfunction of inside/outside air changeover D Malfunction of connector or harness D Malfunction of A/C-ECU Can an operating sound be heard when the inside/outside air NO Inspection procedure 15 (Refer to P.55-52.) YES Inside/outside air changeover damper motor check (Refer to NG Replace OK Measure at the inside/outside air changeover damper motor con- D Disconnect the connector, and measure at the harness D Outside air select button: ON D Voltage between terminal (3) and body earth D Inside air select button: ON D Voltage between terminal (1) and body earth NG Check the following connector: NG Repair OK Check the trouble symptom. NG Check the harness between the inside/outside air changeover NG Repair OK Replace the A/C-ECU. OK Check the following connector: NG Repair OK Check the trouble symptom. NG Inside/outside air changeover damper check NG Repair OK Replace the A/C-ECU. |