Toyota Corolla (E170): Indicators
The indicators inform the driver of the operating state of the vehicle’s various systems.

*1: Vehicles without a smart key system: These lights turn on when the engine switch is turned to the “ON” position to indicate that a system check is being performed. They will turn off after the engine is started, or after a few seconds. There may be a malfunction in a system if a light does not come on, or if the lights do not turn off. Have the vehicle inspected by your Toyota dealer.
Vehicles with a smart key system: These lights turn on when the engine switch is turned to IGNITION ON mode to indicate that a system check is being performed. They will turn off after the engine is started, or after a few seconds. There may be a malfunction in a system if a light does not come on, or if the lights do not turn off. Have the vehicle inspected by your Toyota dealer.
*2: If equipped
*3: The light flashes to indicate that the system is operating.
*4: The light does not turn on when the system is disabled.
*5: This light illuminates on the center panel.
CAUTION
■If a safety system warning light does not come on
Should a safety system light such as the ABS and SRS warning lights not come on when you start the engine, this could mean that these systems are not available to help protect you in an accident, which could result in death or serious injury. Have the vehicle inspected by your Toyota dealer immediately if this occurs.
Other materials:
Heated steering wheel/seat heaters
Heated steering wheel
Warms up the grip of the
steering wheel
Seat heaters
Warm up the seat upholstery
WARNING
To prevent minor burn injuries
Care should be taken if anyone in
the following categories comes in
contact with the steering wheel or
seats when the heater is on:
Babies, small chil ...
How to proceed with troubleshooting
The hand–held tester can be used at step 3, 4, 6, 9.
1 Vehicle brought to workshop
2 Customer problem analysis
3 Connect the obd ii scan tool or hand–held tester to dlc3
4 Check and clear dtc and freeze frame data
5 Visual inspection
6 Setting the check mode diagnosis
7 Proble ...
Inspection procedure
1 Check d squib circuit(airbag sensor assy center – horn button
assy)
Disconnect the negative (–) terminal cable from the battery,
and wait at least for 90 seconds.
disconnect the connectors between the airbag sensor
assy center and the horn button assy.
release the airbag activ ...


