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:
Engine rear oil seal
Replacement
1. Remove manual transaxle assy (m/t transaxle)
2. Remove automatic transaxle assy (a/t transaxle)
3. Remove clutch cover assy (m/t transaxle)
remove the 6 bolts and clutch cover.
4. Remove clutch disc assy (m/t transaxle)
5. Remove flywheel sub–assy (m/t transaxle ...
Inspection procedure
1 Inspect dlc3 terminal voltage
Turn the ignition switch to on.
measure voltage between terminals 13 (tc) and 4 (cg) of
dlc3.
Ok:
voltage: 10 – 16 v
2 Check harness and connector(between cruise control ecu assy
and dlc3)
Check for open and short circuit in harness ...
On–vehicle inspection
1. Inspection throttle body idle speed control valve assy
Notice:
it is impossible to check the resister value and the operation
of isc valve by itself, because the isc valve
has an ic circuit inside it, which transforms the duty
signal from the ecm to the derive signal.
After check ...