Toyota Sienna Service Manual: Parking Brake Switch Circuit
DESCRIPTION
This circuit is from the parking brake switch to the radio and navigation assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK BRAKE WARNING LIGHT
- Check that the brake warning light comes on when the parking brake is applied and goes off when it is released.
OK: The brake warning light operates as specified above.
2 INSPECT PARKING BRAKE SWITCH
- Disconnect the parking brake switch.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
3 CHECK HARNESS AND CONNECTOR (PARKING BRAKE SWITCH - RADIO AND NAVIGATION ASSEMBLY)
- Disconnect the radio and navigation assembly connector R12 and parking brake switch connector P6.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
Illumination Circuit
DESCRIPTION
Power is supplied to the radio and navigation assembly and steering pad
switch illumination when the
light control switch is in the TAIL or HEAD position.
WIRING DIAGRAM
INSPECTI ...
Speaker Circuit
DESCRIPTION
The sound signal that has been amplified by the stereo component amplifier is
sent to the speakers from
the stereo component amplifier through this circuit.
If there is a short in t ...
Other materials:
Removal
1. BOLT, SCREW AND NUT TABLE
The bolts, the screws and the nuts, which are
necessary for installation and removal of the
instrument panel are shown in the illustration below
with alphabets.
2. DISCONNECT BATTERY NEGATIVE TERMINAL
3. REMOVE STEERING WHEEL COVER LOWER NO.2
4. ...
VIN not Programmed or Mismatch - ECM / PCM
DESCRIPTION
DTC P0630 is set when the Vehicle Identification Number (VIN) is not stored
in the Engine Control Module
(ECM) or the input VIN is not accurate. Input the VIN with the intelligent
tester.
MONITOR STRATEGY
TYPICAL ENABLING CONDITIONS
TYPICAL MALFUNCTION THRESHOLDS ...
Position Sensor Circuit
DESCRIPTION
When SET and 1 or 2 are pressed, the position sensor detects the mirror
position and sends the signal to
the outer mirror control ECU. Then when position 1 or 2 is pressed, the outer
mirror control ECU drives
the mirror motor based on the memorized sensor positions.
HINT:
The ...
