Cube L4-1.8L (MR18DE) (2010)
1. Turn the ignition switch OFF.
2. Disconnect the in-vehicle sensor connector.
3. Turn the ignition switch ON.
4. Check voltage between in-vehicle sensor harness connector and the ground.
Is the inspection result normal?
YES - GO TO 2.
NO - GO TO 4.
2.CHECK IN-VEHICLE SENSOR GROUND CIRCUIT CONTINUITY
1. Turn the ignition switch OFF.
2. Disconnect the A/C auto amp. connector.
3. Check continuity between in-vehicle sensor harness connector and A/C auto amp. harness connector.
Is the inspection result normal?
YES - GO TO 3.
NO - Repair the harnesses or connectors.
3.CHECK IN-VEHICLE SENSOR
Check the in-vehicle sensor components. See: Testing and Inspection/Component Tests and General Diagnostics/Automatic Air
Conditioner/In-Vehicle Sensor/Component Inspection.
Is the inspection result normal?
YES - INSPECTION END
NO - Replace the in-vehicle sensor.
4.CHECK IN-VEHICLE SENSOR OPEN CIRCUIT
1. Turn the ignition switch OFF.
2. Disconnect the A/C auto amp. connector.
3. Check continuity between in-vehicle sensor harness connector and A/C auto amp. harness connector.
Is the inspection result normal?
YES - GO TO 5.
NO - Repair the harnesses or connectors.
5.CHECK IN-VEHICLE SENSOR SHORT CIRCUIT
Check continuity between in-vehicle sensor harness connector and the ground.
Is the inspection result normal?
YES - Replace the A/C auto amp.
NO - Repair the harnesses or connectors.
Component Inspection
IN-VEHICLE SENSOR
Component Inspection
1.CHECK IN-VEHICLE SENSOR