Toyota Sienna Service Manual: Transmission Range Sensor Circuit Malfunction (PRNDL Input)
DESCRIPTION
The park/neutral position switch detects the shift lever position and sends signals to the ECM.
HINT:
After confirming DTC P0705, use the intelligent tester to confirm the PNP switch signal in the ALL menu (to reach the ALL menu: DIAGNOSIS / ENHANCED OBD II / DATA LIST / ALL).
WIRING DIAGRAM
Refer to DTC P0705 for 2WD model (See page AX-40) or 4WD model (See page AX-40).
INSPECTION PROCEDURE
Refer to DTC P0705 for 2WD model (See page AX-41) or 4WD model (See page AX-41).
HINT:
Read freeze frame data using the intelligent tester or OBD II scan tool. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can help determine if the vehicle was running or stopped, if the engine was warmed up or not, if the air-fuel ratio was LEAN or RICH, and other data from the time the malfunction occurred.
Actuator Supply Voltage Circuit / Open
DESCRIPTION
The ECM monitors the output voltage to the throttle actuator. This self-check
ensures that the ECM is
functioning properly. The output voltage is usually 0 V when the ignition swit ...
Throttle Actuator Control Motor Circuit
DESCRIPTION
The throttle actuator is operated by the ECM and opens and closes the
throttle valve using gears.
The opening angle of the throttle valve is detected by the Throttle Position
( ...
Other materials:
Removal
HINT:
Replace the RH side by the same procedures as the LH side.
1. REMOVE REAR WHEEL
2. REMOVE REAR AXLE SHAFT LH NUT (See page DS-
22)
3. SEPARATE REAR DISC BRAKE CALIPER
ASSEMBLY LH
(a) Removing the 2 bolts, separate the rear disc brake
caliper assembly LH.
4. REMOVE REAR DISC
5. SEPARA ...
Seat Position Airbag Sensor Circuit Malfunction
DTC B1153/25 Seat Position Airbag Sensor Circuit Malfunction
DESCRIPTION
The seat position airbag sensor circuit consists of the center airbag sensor
assembly and the seat
position airbag sensor.
DTC B1153/25 is recorded when a malfunction is detected in the seat position
airbag sensor cir ...
Reassembly
1. INSTALL NO. 1 SEAT CUSHION FRAME SUBASSEMBLY
Install the seat cushion frame with the bolt.
Torque: 20.6 N*m (210 kgf*cm, 15 ft.*lbf)
2. INSTALL RECLINING CONTROL LINK SUBASSEMBLY
Install the reclining control link with the E-ring.
Install the nut.
3. INSTALL RE ...
