Toyota Corolla Owners Manual: Warning lights and indicators
The warning lights and indicators on the instrument cluster and center panel inform the driver of the status of the vehicle’s various systems.
For the purpose of explanation, the following illustration displays all warning lights and indicators illuminated.
► Vehicles with a drive monitor display
► Vehicles with a multi-information display
The units used on the meters and some indicators may differ depending on the target region.
Warning lights
Warning lights inform the driver of malfunctions in the indicated vehicle’s systems.
*1: Vehicles without a smart key system:
These lights turn on when the engine switch is turned to the “ON” po ...
Other materials:
Circuit description
The seat position sensor circuit consists of the airbag sensor assy center
and seat position sensor.
Dtc b1153/25 is recorded when a malfunction is detected in the seat position
sensor circuit.
Wiring diagram
...
Circuit description
The rear heated oxygen sensor is used to monitor oxygen concentration in the
exhaust gas. For optimum
catalytic converter operation, the air fuel mixture must be maintained near the
ideal ”stoichiometric” ratio.
The heated oxygen sensor output voltage changes suddenly in the vicinity of the ...
On–vehicle inspection
1. Inspect pressure switch no.1.
Magnetic clutch control:
inspect pressure switch operation.
Set on the manifold gauge set.
Connect the positive (+) lead from the ohmmeter to
terminal 4 and the negative (–) lead to terminal 1.
Check continuity between terminal ...