Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Camshaft position ”a” –timing over
Toyota Corolla (E120): Camshaft position ”a” –timing over
Dtc p0011 camshaft position ”a” –timing over– advanced or system performance (bank 1)
Dtc p0012 camshaft position ”a” –timing over– retarded (bank 1)
Other materials:
Replacement
1. Remove engine under cover rh
2. Remove cylinder head cover no.2
Remove the 2 screw, 3 clips and engine under cover.
3. Remove fan and generator v belt
Turn the v–ribbed belt tensioner slowly clockwise and
loosen it. Then, remove the fan and generator v belt and
put back ...
How to proceed with troubleshooting
1 Vehicle brought to workshop
2 Customer problem analysis
3 Check and clear dtc
4 Problem symptom confirmation
5 Symptom simulation
6 Dtc check
7 Dtc chart
8 Problem symptoms table
9 Circuit inspection
10 Identification of problem
11 Parts inspection
12 Repair
1 ...
Circuit description
The purpose of this circuit is to prevent the engine from stalling while
driving in lock–up condition, when
brakes are suddenly applied.
When the brake pedal is depressed, this switch sends a signals to the ecm. Then
the ecm cancels the operation
of the lock–up clutch while braking is i ...


