Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Combination meter / Entire combination meter does not operate
Toyota Corolla (E120): Entire combination meter does not operate
Wiring diagram

Inspection procedere
1 Check fuse
- Check that continuity exists of dome fuse.
- check that continuity exists of gauge fuse.
- check that continuity exists of am1 fuse.


2 Inspect combination meter assy

- Check continuity.
- Disconnect the ”c9” connector from combination meter assy.
- Check continuity between terminal c9–2 of combination
meter assy connector and body ground.
Ok: continuity exists

- Check voltage.
- Disconnect the ”c9” connector from combination meter assy.
- Measure voltage between terminal c9–5 of combination
meter assy connector and body ground.
Voltage: 10 – 14 v
- turn the ignition switch to on.
- Measure voltage between terminal c9–4 of combination
meter assy connector and body ground.
Voltage: 10 – 14 v


Check and replace combination meter assy
Other materials:
Source voltage drop
The srs is equipped with a voltage–increase circuit (dc–dc converter) in the
airbag sensor assy center
in case the source voltage drops.
When the battery voltage drops, the voltage–increase circuit (dc–dc converter)
functions to increase the
voltage of the srs to normal voltage.
...
Console box
Slide the lid to the rear most
position. (vehicles with a
slide function)
Lift the lid while pulling up the
knob.
■Slide function (if equipped)
The console box lid can be slid forward or backward.
WARNING
■Caution while driving
Keep the console box closed.
Injuries may result in the ev ...
Replacement
1. Discharge refrigerant from refrigeration system
turn the a/c switch on.
operating the cooler compressor at the engine rpm of approx. 1000
For 5 to 6 min., Circulate the refrigerant
and collect compressor oil remaining in each component into the cooler
compressor as much ...


