Meter / Gauge System (for Sedan)

METER: METER / GAUGE SYSTEM (for Sedan): TERMINALS OF ECU

TERMINALS OF ECU

1. COMBINATION METER ASSEMBLY





(a) Disconnect the D1 combination meter assembly connector.
(b) Measure the voltage and resistance of the wire harness side connector.





If the result is not as specified, there may be a malfunction in the wire harness.
(c) Disconnect the D76 combination meter assembly connector.
(d) Measure the voltage of the wire harness side connector.









- *1: for U.S.A.
- *2: for Canada
- *3: w/ Daytime Running Light
- *4: w/o Daytime Running Light
- *5: w/ Front Fog Light
- *6: w/ Washer Level Warning
- *7: w/ Tire Pressure Warning System
If the result is not as specified, the combination meter assembly may be malfunctioning.




(1) Waveform 1: Using an oscilloscope









(2) Waveform 2: Using an oscilloscope





HINT: As the vehicle speed increases, the cycle of the signal waveform narrows.

2. CHECK MAIN BODY ECU

















3. COMBINATION METER INTERNAL CIRCUIT













Connectors