Toyota Corolla Repair Manual: Wiring

Power point socket assy rr

Replacement Hint: components: 1. Remove parking brake hole cover sub–assy 2. Remove floor shift shift lever knob sub–assy (m/t transaxle) 3. Remove console panel upper 4. Remove console box carp ...

Communication system

Horn system Location Problem symptoms table Inspection 1. Inspect low pitched horn assy Connect the positive (+) lead from the battery to the terminal and the negative (–) lead to ...

Other materials:

Purpose of the readiness tests
The on–board diagnostic (obd ii) system is designed to monitor the performance of emission–related components and report any detected abnormalities in the form of diagnostic trouble codes (dtcs). Since the various components need to be monitored during different driving conditions, t ...

Inspection procedure
Hint: if dtc p0441 (purge flow), p0446 (vsv for ccv or vsv for pressure switching valve), p0451, p0452 or p0453  is output with dtc p0442 or p0456 , first troubleshoot dtc p0441, p0446, p0451, p0452 or p0453. If no malfunction is detected, troubleshoot dtc p0442 or p0456 next. ...

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 ...