INSPECTION PROCEDURE 1. INSPECT FUEL PUMP (a) Inspect the resistance of the fuel pump. (1) Measure the resistance according to the value(s) in the table below. Standard Resistance:
If the result is not as specified, replace the fuel pump. (b) Inspect the operation of the fuel pump. (1) Connect the battery's positive (+) lead to terminal 1 of the connector, and the negative (-) lead to terminal 2. Check that the fuel pump operates. NOTICE:
If the result is not as specified, replace the fuel pump. |
Toyota Tundra Service Manual > Sfi System: Brake Switch "B" Circuit High (P0724)
DESCRIPTION The purpose of this circuit is to prevent the engine from stalling while driving in the lock-up condition when the brakes are suddenly applied. When the brake pedal is depressed, this switch sends a signal to the ECM. Then the ECM cancels the operation of the lock-up clutch while braking ...