System Circuit Diagram
Terminal Function
HousingPinFunctionWire colorPadAGNDBackBHEATERYellowCNTC+Back / RedDNTC-BackRemotecontrolAGNDBackBBATRedCLEDGreenDSWITCHWhite
...
Inspection
Check it by the procedure below to see if the function of the ECM is normal.
1.
Turn the ignition key to the "ON" position.
2.
Cover the front sensor to stop functioning.
3.
Shine a light at the rear sensor.
4.
The ECM should be darkened as soon as the rear sensor detects ...