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:

Overhaul
Hint: components: 1. Remove front wheel 2. Disconnect front stabilizer link assy lh Remove the nut and disconnect the front stabilizer link assy lh from the shock absorber assy front lh. Hint: if the ball joint turns together with the nut, use a hexagon (6 mm) wrench to hold the st ...

Description
When troubleshooting obd ii vehicles, the only difference from the usual troubleshooting procedure is that you need to connect the vehicle to the obd ii scan tool complying with sae j1978 or the hand–held tester, and read various data output from the vehicle’s ecm. Obd ii regulations re ...

On–vehicle inspection
1. Inspect front axle hub bearing  remove the front wheel.  separate the front disc brake caliper assy .  remove the front disc.  inspect the bearing backlash. Using a dial indicator, check the backlash near the center of the axle hub. Maximum: 0.05 Mm (0. ...