Toyota Sienna Service Manual: Door Courtesy Switch Circuit
DESCRIPTION
The Multiplex network body ECU detects the condition of the door courtesy switch assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 READ VALUE OF INTELLIGENT TESTER
- Connect the intelligent tester to DLC3.
- Turn the ignition switch to ON and push the intelligent tester main switch ON.
- Select the items below in the DATA LIST, and read the displays on the intelligent tester
BODY NO.1:
BACK DOOR:
2 INSPECT COURTESY LIGHT SWITCH
- Inspect each of the courtesy light switch continuity
3 INSPECT BACK DOOR LOCK ASSEMBLY
- Inspect the courtesy light switch terminal of the back door lock assembly
4 CHECK HARNESS AND CONNECTOR
- Disconnect the 1P, B7 and B9 connector from the instrument panel junction block assembly
- Check the resistance between each of the terminals of instrument panel junction block assembly connector side and body ground as shown in the chart below.
Resistance
5 INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY (BACK DOOR COURTESY LIGHT SWITCH CIRCUIT)
- Measure voltage between the terminal B7-25 of the multiplex network body ECU and body ground.
Voltage
6 CONFIRM VEHICLE TYPE
- Check the vehicle models.
A: w/o Power back door
B: w/ Power back door
7 INSPECT POWER BACK DOOR SYSTEM
- Inspect the power back door circuit
REPAIR OR REPLACE HARNESS OR CONNECTOR
Automatic Light Control Sensor Circuit
DESCRIPTION
The Multiplex network body ECU receives the signal from the automatic light
control sensor.
HINT:
DTC code is output when malfunction of automatic light control sensor or open or
...
Door LOCK Position Circuit
DESCRIPTION
This circuit detects the state of the door lock detection sensor and send it
to the Multiplex network body
ECU.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 READ VALUE OF INTELLIGENT T ...
Other materials:
Charge Warning Light Comes ON while Driving
INSPECTION PROCEDURE
1 CHECK LOCK FUNCTION OF CLUTCH PULLEY
(a) Check the lock function with the pulley installed in the
vehicle.
(1) Visually check that the rotor in the generator
operates with the engine started.
(b) Check the lock function with the pulley removed from the
vehicle.
( ...
Transmission Error
DTC 01-DC Transmission Error
DESCRIPTION
DTC No.
DTC Detection Condition
Trouble Area
01-DC
*1
Transmission to component shown by sub-code failed.
(Detecting this DTC does not always mean actual
failure.)
If the same sub-code is recorded in other ...
Installation
1. INSTALL SHOCK ABSORBER ASSEMBLY REAR LH
(a) Install the rear spring bumper No.1 LH to the shock
absorber assembly LH.
(b) Support the rear axle beam assembly with a jack.
(c) Install the rear shock absorber assembly rear LH,
cushion retainer and nut to the rear axle beam.
(d) ...
