Toyota Corolla Repair Manual: Fuel pump control circuit

Inspection procedure

1 Inspect ecm(+b voltage) Turn the ignition switch on.  measure the voltage between the terminals of the e4 and e6 ecm connectors. Standard: 2 Check harness and connector(ec ...

Circuit description

In the diagram below, when the engine is cranked, current flows from terminal st2 of the ignition switch to the starter relay coil and also current flows to terminal sta of the ecm (sta signal). ...

Other materials:

Replacement
Hint: components: 1. Precaution 2. Disconnect battery negative terminal 3. Remove horn button assy Place the front wheels facing straight ahead.  using a torx socket wrench (t30), loosen the 2 torx screws until the groove along the screw circumference catches on the screw ca ...

How to scroll
: Select to scroll to the next or previous page. : If appears to the right of titles, the complete titles are too long for the display. Select this button to scroll the title. Turn the “TUNE/SCROLL” knob to move the cursor box to select a desired item from the list, and press the “TUNE ...

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 ...