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Meter / Gauge System





METER / GAUGE / DISPLAY: 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.









* *1: w/o CRAWL Control

* *2: w/ CRAWL Control

* *3: w/ Tire Pressure Warning System

* *4: w/ Level Warning Switch Assembly

* *5: w/ TAIL Cancel Switch

* *6: w/Automatic Running Boards

(b) Using an oscilloscope, check waveform 1.





Waveform 1 (Reference)





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 ASSEMBLY INNER CIRCUIT





















* *1: w/o CRAWL Control

* *2: w/ CRAWL Control

* *3: w/ Tire Pressure Warning System

* *4: w/ Level Warning Switch Assembly

* *5: w/ TAIL Cancel Switch

* *6: w/ Automatic Running Boards

3. ACCESSORY METER ASSEMBLY





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





* *1: w/o CRAWL Control

* *2: w/ CRAWL Control