Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Toyota vehicle intrusion protection system
Toyota Corolla (E120): Toyota vehicle intrusion protection system
- How to proceed with troubleshooting
- Terminals of ecu
- Problem symptoms table
- Indicator light circuit
- Ecu power source circuit
- Ignition switch circuit
- Horn relay circuit
- Light control switch circuit
- Hazard warning switch circuit
- Starter cut relay circuit
- Key unlock warning switch circuit
- Glass breakage sensor circuit
- Door courtesy switch circuit
- Door unlock detection switch circuit
- Door key lock and unlock switch circuit
- Tvip ecu communication circuit
Other materials:
Pre–check
1. Diagnosis system
Release the parking brake lever.
check the warning lights.
When the ignition switch is turned on, check that the abs
warning light and brake warning light goes on for 3 sec.
Hint:
when the parking brake is applied or the level of the brake
fluid is low, the ...
Circuit description
The crankshaft position sensor (ne signal) consists of a magnet, iron core
and pickup coil.
The ne signal plate (crankshaft position sensor plate) has 34 teeth and is
installed on the crankshaft. The
ne signal sensor generates 34 signals for each engine revolution. This sensor
monitors a p ...
Ecu power source circuit
Circuit description
This circuit provides power to operate the tvip ecu.
Wiring diagram
Inspection procedure
1 Check fuse (ecu–b)
Remove the fuse from the instrument panel j/b.
check the continuity of the fuse.
Standard: continuity
2 Check tvip ecu
Disconnect ...