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Toyota Sienna Service Manual: Sensor signal check by test mode (signal check) (when using sst check wire)

Toyota Sienna Service Manual / Brake control / Vehicle stability control system / Test mode procedure / Sensor signal check by test mode (signal check) (when using sst check wire)

(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:

(b) Procedures for test mode.

(1) Turn the ignition switch off.

(2) Check that the steering wheel is in the straightahead position and move the shift lever to the P position.

Sensor signal check by test mode (signal check) (when using sst check wire)

(3) Using SST, connect terminals TS and CG of the DLC3.

SST 09843-18040

(4) Turn the ignition switch to the ON position.

Sensor signal check by test mode (signal check) (when using sst check wire)

(5) Check that the ABS warning light and VSC warning light blink (test mode).

HINT: If the ABS warning light and VSC warning light do not blink, inspect the TS and CG terminal circuit, ABS warning light circuit and/or VSC warning light circuit.

Yaw rate sensor check (when using intelligent tester)
(a) Check the output of the yaw rate sensor. (1) Move the shift lever to the D position, drive the vehicle at a speed of approximately 5 km/h (3 mph), and turn the steering wheel either to th ...

Master cylinder pressure sensor check (when using sst check wire)
(a) Leave the vehicle in a stationary condition and release the brake pedal for 1 second or more, and quickly depress the brake pedal with a force of 98 N (10 kgf, 22 lbf) or more for 1 second or m ...

Other materials:

Disassembly
1. REMOVE BACK DOOR GARNISH CENTER Using a clip remover, disengage the 5 clips and remove the garnish center. 2. REMOVE BACK DOOR SIDE GARNISH LH Using a clip remover, disengage the 3 clips and remove the side garnish. 3. REMOVE BACK DOOR SIDE GARNISH RH Using a clip remove ...

Dtc check / clear
Notice:All the stored dtcs and freeze frame data are erased if: 1) the ecm is changed from normal mode to check mode or vice versa; or 2) the ignition switch is turned from on to acc or off while in check mode. Before changing modes, always check and make a note of any dt ...

Terminals of ECU
1. Instrument Panel Junction Block Assembly ...

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