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TROUBLESHOOTING HEATER, AIR CONDITIONER AND VENTILATION 55-161 DIAGNOSIS Step 1. Connector check: C-215 rear blower Q: Is the check result normal? YES : Go to Step 2. NO : Repair the connector. Step 2. Check the rear blower relay Refer to . Q: Is the check result normal? YES : Go to Step 3. NO : Replace the rear blower relay. Step 3. Connector check: C-15 intermediate Q: Is the check result normal? YES : Go to Step 4. NO : Repair the connector. Step 4. Voltage measurement at C-15 (1) Disconnect the connector, and measure at the wiring harness side. (2) Turn the ignition switch to the ON position. (3) Disconnect A/C-ECU connector C-104 and earth terminal 56. (4) Measure the voltage between terminal 1 and body earth. OK: System voltage Q: Is the check result normal? YES : Go to Step 11. NO : Go to Step 5. AC310618 Connector: C-215 <RHD> AH Junction block side Junction block (Front view) AC310628AE Connector: C-15 <RHD> AC310628AE Connector: C-15 <RHD> AC310631AH Connector: C-104 <RHD> Harness side 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 AC310507 Connector C-15 BE |