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Toyota Corolla Repair Manual: Ecm power source circuit

Toyota Corolla Repair Manual / Diagnostics / Sfi system / Ecm power source circuit

Inspection procedure
Hint: this dtc chart is on the premise that the engine is cranked normally. If the engine is not cranked, proceed to the problem symptoms table on page 0542. Read freeze frame data using t ...

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. ...

Other materials:

Body
Onvehicle inspection 1. Canada: tighten bolts and nuts on chassis and body  tighten the bolts and nuts on the chassis parts listed below, if necessary Front axle and suspension drive train rear axle and suspension brake system engine mounting other chassis parts ...

Circuit description
The park/neutral position switch detects the shift lever position and sends signals to the ecm. Monitor description The park/neutral position switch detects the gearshift position and sends a signal to the ecm. For security, the park/neutral position switch detects the gearshift positio ...

Transmission valve body assy (atm)
Replacement 1. Remove engine under cover lh 2. Drain automatic transaxle fluid  remove the drain plug, gasket and drain atf.  install a new gasket and drain plug. Torque: 17.5 Nvm (178 Kgfcm, 13 ftlbf) 3. Remove automatic transaxle oil pan subassy Remove the 18 bolt ...

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