Meter / Gauge System

METER: METER / GAUGE SYSTEM: TERMINALS OF ECU

1. CHECK COMBINATION METER ASSEMBLY (METER ECU)





(a) Disconnect the C37 combination meter assembly connector.

(b) Measure the voltage according to the value(s) in the table below.





* If the result is not as specified, there may be a malfunction on the wire harness side.

(c) Reconnect the C37 combination meter assembly connector.

(d) Measure the voltage according to the value(s) in the table below.









* If the result is not as specified, the combination meter 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

Standard::

If the result is not as specified, there may be a malfunction in the wire harness.

Table of terminal connection: