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:
AHB (Automatic High Beam)
The Automatic High Beam
uses a front camera located
on the upper portion of the
windshield to detect the
brightness of the lights of
vehicles ahead, streetlights,
etc., and automatically
changes the head
lights between the high
beams and low beams.
WARNING
■For safe use
Do not overly rely on the A ...
Valve clearance
Adjustment
1. Remove cylinder head cover no.2
Remove the 2 nuts, 2 clips and cylinder head cover.
2. Disconnect engine wire
Remove the 5 clamps from the 5 clamp brackets.
Disconnect the 4 ignition coil connectors.
Remove the bolt and nut installing the engine wire ...
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 ...


