Toyota Corolla Repair Manual: 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 05–42. 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:

Replacement
1. Remove instrument panel sub–assy lower 2. Remove clutch pedal spring 3. Remove clutch master cylinder push rod clevis w/hole pin Remove the clip and hole pin. 4. Remove clutch pedal support sub–assy W/ cruise control: disconnect the clutch switch assy connector.  di ...

Windshield/windowglass/mirror
Preparation Recomended tools Equipment Ssm ...

Replacement
1. Remove hood sub–assy 2. Remove cylinder head cover no.2 3. Remove battery 4. Remove battery carrier Remove the 4 bolts and battery carrier. 5. Remove air cleaner assembly with hose 6. Remove floor shift cable transmission control shift Remove the nut from the control shaft ...