Diesel Data: Automotive Repair

Meter / Gauge System





METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM: TERMINALS OF ECU

1. COMBINATION METER













*1: w/ Front Fog Light

*2: except for U.S.A.

*3: for U.S.A.

*4: w/ Tire Pressure Warning System

(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

















*1: for 4WD

*2: except for U.S.A.

*3: w/ Front Fog Light

*4: for U.S.A.

*5: w/ Tire Pressure Warning System

*6: for 2WD