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:
Continuously variable transmission
(vehicles without paddle
shift switches)
Select the shift position
depending on your purpose
and situation.
Shift position purpose
and functions
P - Parking the vehicle/
starting the engine
R - Reversing
N - Neutral
(Condition in which the
power is not transmitted)
D - Normal driving*
B - Applying moderate
engine braking driving
down hills ...
Terminals of ecu
1. Inspect integration relay
Disconnect the connector from the integration relay.
check the continuity between each terminal of the disconnected connector
and the body ground, as
shown in the illustration and table.
Standard:
If the result is not as specified, the vehicle’s ...
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 ...