Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Power door lock control system / How to proceed with troubleshooting
Toyota Corolla (E120): How to proceed with troubleshooting
1 Vehicle brought in
2 Customer problem analysis check and symptom check
3 Problem symptoms table
- Without applicable symptoms, proceed to ”a”
- with applicable symptoms, proceed to ”b”
4 Perform troubleshooting in the following method, depending on malfunction symptom
- Terminals of ecu
- inspection
- on–vehicle inspection
5 Adjustment, repair or replacement
End
Customer problem analysis check
Location
Other materials:
Headlamp dimmer switch assy
Replacement
1. Remove steering column cover lwr
Remove 3 screws and steering column cover lwr.
2. Remove headlamp dimmer switch assy
Disconnect the connector.
release the claw and pull out the head light dimmer
switch assy.
...
Meter display
■ Locations of gauges and meters
Engine coolant temperature gauge
Displays the engine coolant temperature
Outside temperature
Displays the outside temperature within the range of -40ºF (-40ºC) to 140ºF
(60ºC)
Analog speedometer/Tachometer
This setting can be changed on the setting scr ...
Circuit description
When a misfire occurs in the engine, hydrocarbons (hc) enter the exhaust in
high concentrations. If this hc
concentration is high enough, there could be an increase in exhaust emissions
levels. High concentrations
of hc passing through the catalyst also cause to temperature of the catalyst to ...