Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Toyota vehicle intrusion protection system / Indicator light circuit / Inspection procedure
Toyota Corolla (E120): Inspection procedure
1 Check security indicator light
- Remove the security indicator.
- check the indicator light, as shown in the illustration and table.
Standard:
2 Check wire harness (tvip ecu security indicator)
- Disconnect the tvip ecu and security indicator connectors.
- check the continuity between the terminals of the tvip ecu connector and security indicator connector, as shown in the illustration and table.
Standard:
3 Check wire harness (security indicator body ground)
- Disconnect the security indicator connector.
- check the continuity between the terminal of the security indicator connector and body ground, as shown in the illustration and table.
Standard:
Check and replace tvip ecu
Other materials:
Front passenger occupant classification
system
Your vehicle is equipped with a front passenger occupant
classification system. This system detects the conditions of
the front passenger seat and activates or deactivates the front
passenger airbag and seat cushion airbag in the front passenger
side.
System components
SRS warning light
Front pa ...
Problem symptoms table
Proceed to the reference page shown in the table below for each malfunction
symptom and troubleshoot
each circuit.
Hint:
troubleshooting of the tvip system is based on the premise that the door lock
control system and wireless
door lock control system is operating normally. Accordingly, be ...
Inspection procedure
1 Inspect skid control ecu connector(+bs terminal voltage)
Disconnect the skid control ecu connector.
measure the voltage between terminals +bs (2) and gnd
(1, 23) of skid control ecu harness side connector.
Voltage: 10 – 14 v
2 Reconfirm dtc
Check the dtc .
Ok :
...