Power Source Circuit: Wiring Diagram
- INSPECT FUSE (ECU-IG1, AM1, P/W (FL))
- Check the continuity of ECU-IG1, AM1 and P/W (FL) fuses.
OK: Continuity
NG: REPLACE FUSE
OK: Go To Next Step
- Check the continuity of ECU-IG1, AM1 and P/W (FL) fuses.
- CHECK POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY (BATTERY VOLTAGE)
- Turn the ignition switch OFF.
- Measure the voltage between terminals CPUB, SIG, BDR and GND.
Standard voltage
TERMINAL SPECIFIED CONDITIONTerminal Name Condition Specified Condition CPUB - Body ground Always 10 to 14 V BDR - Body ground Always 10 to 14 V SIG - Body ground Ignition switch ON 10 to 14 V GND - Body ground Always Below 1 V NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE
OK: Go To Next Step
- CHECK WIRE HARNESS (POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY - BODY GROUND)
- Refer to inspection (see INSPECTION ).
NG: REPAIR OR REPLACE HARNESS AND CONNECTOR
OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE