Pinout Values and Diagnostic Parameters

LIGHTING: LIGHTING SYSTEM: TERMINALS OF ECU

TERMINALS OF ECU

1. CHECK FRONT LIGHT ECU (ENGINE ROOM NO. 1 RELAY BLOCK)









2. CHECK MAIN BODY ECU RH (COWL SIDE JUNCTION BLOCK RH)













3. CHECK MAIN BODY ECU LH (COWL SIDE JUNCTION BLOCK LH)









4. CHECK REAR MULTIPLEX NETWORK ECU (LUGGAGE ROOM JUNCTION BLOCK)









5. CHECK FRONT MULTIPLEX NETWORK DOOR ECU LH









6. CHECK FRONT MULTIPLEX NETWORK DOOR ECU RH









7. CHECK REAR MULTIPLEX NETWORK DOOR ECU RH









8. CHECK REAR MULTIPLEX NETWORK DOOR ECU LH









9. CHECK COMBINATION SWITCH









10. CHECK HEADLIGHT BEAM LEVEL CONTROL ECU













11. CHECK AFS ECU





















(a) Using an oscilloscope, check waveform 1.










(b) Using an oscilloscope, check waveform 2.





HINT: If the value is not within the standard range, it is possible there is some defect on the vehicle side. Inspect the fuse, wire harness and connector.





(c) Using an oscilloscope, check waveform 3.





HINT: If the value is not within the standard range, it is possible there is some defect on the vehicle side. Inspect the fuse, wire harness and connector.