Terminals of ECU (from 12/2010)

METER: METER / GAUGE SYSTEM: TERMINALS OF ECU

1. COMBINATION METER ASSEMBLY





(a) Measure the voltage and resistance according to the value(s) in the table below.









(b) Waveform 1 (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.

(c) Waveform 2 (Reference): Using an oscilloscope:









(d) Waveform 3 (Reference): Using an oscilloscope:









2. ECM









(a) Waveform 1 (Reference): Using an oscilloscope:









3. COMBINATION METER INNER CIRCUIT













Connectors: