ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT PARK/NEUTRAL POSITION SWITCH ASSEMBLY (a) Apply the parking brake and turn the ignition switch to ON. (b) Depress the brake pedal and check that the engine starts when the shift lever is in N or P, but does not start when the shift lever is in other positions. (c) Check that the back-up light illuminates and the reverse warning buzzer sounds when the shift lever is in R, but do not function when the shift lever is in other positions. |
Toyota Tundra Service Manual > Vehicle Stability Control System: Center Differential Lock Circuit (C1340)
DESCRIPTION The skid control ECU monitors the 2WD/4WD state from both the 4 wheel drive control ECU and the A.D.D. detection switch. DTC No. Detection Item DTC Detection Condition Trouble Area C1340 Center Differential Lock Circuit On a 4WD vehicle, a normal A.D.D. detection switch signal is input v ...