Toyota Sienna Service Manual: Fail-safe chart

Toyota Sienna Service Manual / Cruise control / Cruise control system / Fail-safe chart

HINT: If the following conditions are detected while the cruise control is in operation, the system clears the stored vehicle speed in the ECM and cancels the cruise control operation.

Vehicle Condition	Auto Cancel Condition	Re-operation Condition
CRUISE main indicator light blinks	There is open or short in stop light switch circuit There is problem with vehicle speed signal There is problem with throttle position sensor and motor	Turn cruise control main switch on again
CRUISE main indicator light blinks	There is problem with input circuit of stop light switch circuit There is problem with cancel circuit	Turn ignition switch off then on again
Cruise control is cancelled (The indicator light remains on)	At the following conditions, the stored vehicle speed is maintained. Vehicle speed is lower than low speed limit (approx. 40 km/h (25 mph)) while running with cruise control on VSC operates	Push cruise control main switch to + (ACCEL)/RES (RESUME)
	Vehicle speed is lower than stored speed by approx. 16 km/h (10 mph) or more	Push cruise control main switch to - (COAST)/ SET

DTC check / clear

1. DTC CHECK Connect the intelligent tester to the DLC3. Connect the intelligent tester to the Controller Area Network Vehicle Interface Module (CAN VIM). Then connect th ...

Data list / active test

1. READ DATA LIST HINT: Using the intelligent tester to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This ...

Other materials:

Disassembly
1. REMOVE OCCUPANT CLASSIFICATION ECU 2. REMOVE FRONT SEAT CUSHION SHIELD INNER RH Remove the screw. Using a screwdriver, disengage the claws and remove the cushion shield inner. HINT: Tape the screwdriver tip before use. 3. REMOVE FRONT SEAT INNER BELT ASSEMBLY RH &nbs ...

Power Seat ECU Communication Stop
DTC B1272 Power Seat ECU Communication Stop DESCRIPTION This DTC is detected when communication between the seat position control ECU and the multiplex network gateway ECU stops for more than 10 seconds. DTC No. DTC Detection Condition Trouble Area B1272 ...

Inspection
1. INSPECT REAR SPEED SENSOR (a) Disconnect the skid control sensor connector. (b) Measure the resistance between terminals 1 and 2 of the skid control sensor connector. OK: Resistance: less than 2.2 kΩ (c) Measure resistance between each of terminals 1 and 2 of the skid control s ...