Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / ABS with EBD system / Malfunction in abs ecu / Circuit description
Toyota Corolla (E120): Circuit description

Hint
: there is a case that hand–held tester cannot be used when ecu is abnormal.
Wiring diagram

Other materials:
Turn signal lever
Operating instructions
1 Right turn
2 Lane change to the right (move the lever partway and release it)
The right hand signals will flash 3 times.
3 Lane change to the left (move the lever partway and release it)
The left hand signals will flash 3 times.
4 Left turn
■Turn signals can b ...
Road test
1. Problem symptom confirmation
Taking into consideration the results of the customer problem analysis,
try to reproduce the symptoms
of the trouble. If the problem is that the transaxle does not shift up,
shift down, or the shift point is too
high or too low conduct the following road ...
Circuit description
A flat type knock sensor (non–resonant type) has the structure that can
detect the vibration in a wider band
of frequency from about 6 khz to 15 khz and has the following features.
Knock sensors are fitted on the cylinder block to detect the engine knocking.
The sensor contains a piezoele ...


