ON-VEHICLE INSPECTION PROCEDURE 1. CHECK CENTER AIRBAG SENSOR ASSEMBLY (VEHICLE NOT INVOLVED IN COLLISION) (a) Perform a diagnostic system check (see page
2. CHECK CENTER AIRBAG SENSOR ASSEMBLY (VEHICLE INVOLVED IN COLLISION AND AIRBAG HAS NOT DEPLOYED) (a) Perform a diagnostic system check (see page
3. CHECK CENTER AIRBAG SENSOR ASSEMBLY (VEHICLE INVOLVED IN COLLISION AND AIRBAG IS DEPLOYED) (a) Replace the center airbag sensor. CAUTION: For removal and installation procedures of the center airbag sensor, be sure to follow the correct procedure. HINT: The center airbag sensor should be replaced after any of the airbags has deployed, as it has been subjected to the impact. |
Toyota Tundra Service Manual > Sfi System: Actuator Supply Voltage Circuit / Open (P0657)
DESCRIPTION The ECM monitors the output voltage to the throttle actuator. This self-check ensures that the ECM is functioning properly. The output voltage usually is 0 V when the ignition switch is turned off. If the output voltage is higher than 7 V when the ignition switch is turned off, the ECM w ...