Toyota Corolla Repair Manual: Low battery positive voltage or abnormally high battery positive voltage

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 ec ...

Circuit description

This is the power source of the ecu, hence the actuators. Wiring diagram ...

Other materials:

Diagnostic trouble code chart
Hint: when the srs warning light remains lit up and the dtc is the normal code, this means a voltage source drops. This malfunction is not stored in memory by the airbag sensor assy center and if the power source voltage returns to normal, the srs warning light will autom ...

Inspection procedure
Hint: read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malfunction is detected. When troubleshooting, it is useful for determining whether the vehicle was running or stopped, the engine was warmed up or not, the ...

Inspection procedure
1 Check fuse(ecu–ig) Remove the ecu–ig fuse from the instrument panel j/b.  check the continuity of the ecu–ig fuse. Ok: continuity 2 Inspect terminal voltage(b) Remove the cruise control ecu assy with connector still connected.  turn the ignition switch to on. ...