Toyota Corolla (E120): Inspection procedure

Circuit description

Open/B+ short circuit in abs motor relay circuit

Other materials:

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 ...

Circuit description
When the ignition switch is turned on, battery positive voltage is applied to the coilwhich closes the contacts of the efi main relay (marked: efi) and supplies power to terminal +b of the ecm. This signal causes current to flow to the coil, closing the contacts of the efi relay and supplyin ...

Inspection procedure
1 Input signal check See the input signal check on page 05–745.  check the indicator light when the clutch pedal is depressed. Ok: the indicator light goes off when the clutch pedal is depressed. 2 Inspect terminal voltage(d) Turn the ignition switch to on. &n ...