Toyota Sienna Service Manual: Steering pad

Trouble in Passenger Airbag ON / OFF Indicator

DESCRIPTION The occupant classification system detects the front passenger seat condition. It then informs a passenger of the front passenger airbag, the front seat side airbag RH and front seat ...

On-vehicle inspection

1. INSPECT STEERING PAD (VEHICLE NOT INVOLVED IN COLLISION) Perform a diagnostic system check. With the steering pad installed on the vehicle, perform a visual check. If there are any defe ...

Other materials:

Fuel Pump Primary Circuit
DTC P0230 Fuel Pump Primary Circuit DESCRIPTION  This DTC is designed to detect a malfunction in the fuel pump (FUEL PUMP) relay circuit. When the system is normal, the battery voltage is applied to FPR terminal of the ECM while the FUEL PUMP relay is turned OFF. If the battery v ...

ECM / PCM Internal Engine Off Timer Performance
DTC SUMMARY DESCRIPTION To ensure the accuracy of the EVAP (Evaporative Emission) monitor values, the soak timer, which is built into the ECM, measures 5 hours (+/- 15 minutes) from when the ignition switch is turned off, before the monitor is run. This allows the fuel to cool down, whic ...

Problem symptoms table
HINT: Proceed to the troubleshooting for each circuit in the table below. AIRBAG SYSTEM Symptom Suspected Area The SRS warning light goes off after the primary check, but then comes on. SRS Warning Light Remains ON When the ignition switch is turned to t ...