Pinout Values and Diagnostic Parameters

METER: METER / GAUGE SYSTEM: TERMINALS OF ECU

TERMINALS OF ECU

1. COMBINATION METER ASSEMBLY





















(a) Waveform (Reference): Using an oscilloscope:





HINT: When the system is functioning normally, one wheel revolution generates 4 pulses. As the vehicle speed increases, the width indicated by (A) in the illustration narrows.

2. COMBINATION METER INNER CIRCUIT
(a) Combination Meter Inner Circuit