Toyota Sienna Service Manual: Problem symptoms table
Vehicle stability control system:
TERMINALS OF ECU
1. Terminal of ECU
(*1): Models with dynamic laser cruise control
(*2): 2WD model
2. Terminal Inspection
(a) Disconnect the connector and measure the voltage or resistance on the wire harness side.
HINT: Voltage cannot be measured with the connector connected to the skid control ECU because the connector is watertight.
Standard
(*1): 2WD model
Other materials:
Removal
HINT:
Use the same procedures for the RH side and LH side.
The procedures listed below are for the LH side.
1. PRECAUTION
CAUTION: Be sure to read "PRECAUTION" thoroughly before
servicing.
2. DISCONNECT CABLE FROM NEGATIVE BATTERY
TERMINAL
NOTICE:
Wait for 90 seconds ...
Short to B+ in Rear Curtain Shield Squib RH
Circuit
DTC B1633/82 Short to B+ in Rear Curtain Shield Squib RH
Circuit
DESCRIPTION
The rear curtain shield squib RH circuit consists of the center airbag sensor
assembly and the curtain
shield airbag assembly RH.
The circuit instructs the SRS to deploy when deployment conditions are met.
DTC B ...
Throttle / Pedal Position Sensor / Switch "A"
Circuit Range / Performance Problem
DTC P0121 Throttle / Pedal Position Sensor / Switch "A"
Circuit Range / Performance Problem
HINT:
This DTC relates to the Throttle Position (TP) sensor.
DESCRIPTION
Refer to DTC P0120
DTC No.
DTC Detection Condition
Trouble Area
P0121
Differen ...
