Self-Diagnostic Procedure; Entering The Self-Diagnosis Function; The Beeper Drive Circuit Check; The Indicator Drive Circuit Check - Honda Civic 2002-2003 Service Manual

Gauges
Self-diagnostic Procedure
The gauge assembly has a self-diagnosis function.
o
The Beeper Drive Circuit Check
• The Indicator Drive Circuit Check
o
The LCD Segments Check
o
The Gauges Drive Circuit Check (Speedometer, Tachometer, Fuel gauge, Coolant temperature gaugel
o
The Communication Line Check (the coolant temperature signal line between the gauge and ECM)
NOTE: Indicators are also controlled via the communication line.
Entering the self-diagnosis function:
Before doing the self-diagnosis function, check the NO.9
(lOA)
fuse in the under-hood fuse/relay box and No. 10 (7.5A)
fuse in the under-dash fuse/relay box.
1. Push and hold the trip/reset button.
2. Turn the lighting switch ON.
3. Turn the ignition switch ON (II).
4. Within 5 sec., turn the lighting switch OFF, then ON and OFF again.
5. Within 5 sec., release the trip/reset button, then push and release the button four times repeatedly.
NOTE:
o
While in the self-diagnosis mode, the dash lights brightness controller operates normally.
o
While in the self-diagnosis mode, the trip/reset button is used to start the beeper drive circuit check and the gauge
drive cicuit check.
If the vehicle speed exceeds 1.2 mph (2 km/h) or the ignition switch is turned OFF, the self-diagnosis mode ends.
Ignition
Switch
lighting
Switch
ONII~
OFF
u
Trip/Reset
::F~r-----------------~~
______________________________ __
Switch
5 sec.
The Beeper Drive Circuit Check:
: -----. Move to self-diagnosis mode .
....
------.,
5 sec.
When entering the self-diagnosis mode, the beeper sounds five times.
The Indicator Drive Circuit Check:
When entering the self-diagnosis mode, the following indicators blink.
Seat belt indicator, Door/hatch indicator, Brake system, Lowfuel indicator, Maintenance required indicator (USA),
Washer fluid level indicator (Canada), Oil pressure light.
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