Toyota Corolla Repair Manual: How to proceed with troubleshooting
Hint
:
- troubleshooting of the wireless door lock control system is based on the premise that the power door lock system is operating normally. Therefore, before troubleshooting the wireless door lock control system, first make certain that the the power door lock system is operating normally.
- Use this procedure to troubleshoot the wireless door lock control system.
1 Vehicle brought to workshop
2 Customer problem analysis check and symptom check
3 Problem symptoms table
- If the fault is not listed on the problem symptoms table, proceed to a.
- if the fault is listed on the problem symptoms table, proceed to b.
4 Overall analysis and troubleshooting
- Terminals of ecu
- on–vehicle inspection
5 Adjust, repair or replace
6 Confirmation test
End
Customer problem analysis check
Location
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 ...
Other materials:
Eco drive mode (if equipped)
Press the switch.
Suitable for enhancing the fuel economy, because the torque corresponding to
the accelerator pedal depression amount can be generated more smoothly than it is
in normal conditions and the operation of the air conditioning system (heating/cooling)
will be minimized.
Press th ...
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 th ...
On–vehicle inspection
1. Inspect wireless door lock control functions
Hint:
the switch described in this text is a switch for transmitting
signals (lock switch, unlock switch
and panic switch) which is built into the door control transmitter.
All the functions listed below must be checked in the remote contro ...