2004 Honda Element EX
SELF-DIAGNOSTIC FUNCTION
The gauge assembly has a self-diagnostic function that checks these circuits:
The beeper drive circuit
The indicator drive circuit
The LCD segments
The gauges drive circuit (Speedometer, Tachometer, Fuel gauge, Coolant temperature gauge)
The communication line (the coolant temperature signal and vehicle speed signal line between the gauge and the ECM/PCM)
ENTERING SELF-DIAGNOSTIC FUNCTION
NOTE: While in the self-diagnostic function, the dash lights brightness controller does not operate.
While in the self-diagnostic function, the TRIP/RESET button is used to start the Beeper Drive Circuit Test and the Gauge Drive Circuit Check.
If the vehicle speed exceeds 1.2 MPH (2 km/h) or the ignition switch is turned OFF, the self-diagnostic function ends.
Before entering the self-diagnostic function, check the No. 9 (10A) fuse in the under-hood fuse/relay box and the No. 10 (7.5A) fuse in the under-dash fuse/relay box.
1. Press and hold the TRIP/RESET button. Download File PDF
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