Toyota Sienna Service Manual: Warning light and indicator light bulb check
(a) Check the warning lights.
(1) Release parking brake pedal.
(2) When the ignition switch is turned to the ON position, check that the ABS warning light, BRAKE warning light, VSC warning light, TRAC OFF indicator light (2WD) and SLIP indicator light stay on for approx. 3 seconds.
HINT:
- When the parking brake is applied or the level of brake fluid is low, the BRAKE warning light comes on.
- If the ECU has any stored DTCs, the ABS warning light, VSC warning light and TRAC OFF indicator light (2WD) comes on.
- If the indicator does not come on, inspect it the bulb is blown out, and also the wire harness between the skid control ECU and the combination meter.
- If the indicator remains on, proceed to
troubleshooting for the light circuit below.
Sensor signal check by test mode (signal check) (when using intelligent
tester)
(a) When having replaced the skid control ECU and/or
yaw rate and deceleration sensor, perform zero
point calibration of the yaw rate and deceleration
sensor.
HINT:
If the ignition switch is t ...
Other materials:
Folding down the third seats (power seats)
You can operate the power third seats when the shift lever is in P.
Before folding the third seats
Lower the center head
restraint to the lowest position and stow the
seat belt buckles.
Stow the center seat belt.
Folding down the third seatbacks
Press the folding/returning ...
Slip Indicator Light does not Come ON
DESCRIPTION
The skid control ECU is connected to the combination meter via CAN and
multiplex communications.
The SLIP indicator blinks during VSC and/or TRAC operation.
When the system fails, the SLIP indicator comes on to warn the driver.
WIRING DIAGRAM
Refer to Slip Indicator Light Rema ...
Inspection
1. Inspect heated oxygen sensor (for bank 1
sensor 2)
(a) Measure the resistance of the sensor.
Standard resistance
If the resistance is not as specified, replace the
sensor.
2. HEATED OXYGEN SENSOR (for Bank 2 Sensor 2)
(a) Measure the resistance of the sensor.
Standard resistance ...