Toyota Sienna Service Manual: On-vehicle inspection
1. CHECK ACCELERATOR PEDAL ROD
- Check the voltage.
- Connect the intelligent tester to the DLC3.
- Turn the ignition switch to the ON position.
- Turn the intelligent tester on.
- Select the menu items: DIAGNOSIS / ENHANCED OBD II / DATA LIST / ALL / ACCEL POS #1, ACCEL POS #2.
- Operate the accelerator pedal, and then check that the ACCEL POS #1 and ACCEL POS #2 values are within the specifications.
Standard voltage (ACCEL POS #1)
Standard voltage (ACCEL POS #2)
If the result is not as specified, check the accelerator pedal rod, wire harness or ECM.
Accelerator pedal rod
COMPONENTS
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Removal
1. REMOVE ACCELERATOR PEDAL ROD
Disconnect the accelerator pedal position sensor
connector.
Remove the 2 nuts and accelerator pedal rod.
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Other materials:
Vehicle lift and support locations
1. NOTICE ABOUT VEHICLE CONDITION WHEN
JACKING UP VEHICLE
(a) The vehicle must be unloaded before jacking up/
lifting up the vehicle. Never jack up/lift up a heavily
loaded vehicle.
(b) When removing heavy parts such as the engine and
transmission, the center of gravity of the vehicle
may s ...
Rear Occupant Classification Sensor RH Circuit
Malfunction
DTC B1783 Rear Occupant Classification Sensor RH Circuit
Malfunction
DESCRIPTION
The rear occupant classification sensor RH circuit consists of the occupant
classification ECU and the
rear occupant classification sensor RH.
DTC B1783 is recorded when a malfunction is detected in the rear oc ...
Operation check
NOTICE: Inspection should be started after conforming that
the items listed in the "CUSTOMIZE PARAMETER" for the power back door system
have defaulted to the initial settings
1. CHECK OPENING OPERATION
Conditions necessary for the power back door to
open:
Power back d ...
