Toyota Sienna Service Manual: Front Fog Light Circuit
DESCRIPTION
The Multiplex network body ECU controls FOG relay when signal is received from headlight dimmer switch assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 PERFORM ACTIVE TEST BY INTELLIGENT TESTER
- Connect the intelligent tester to DLC3.
- Turn the ignition switch ON and push the intelligent tester main switch ON.
- Select the item below in the ACTIVE TEST and then check that the relay operates.
2 INSPECT FOG LIGHT RELAY
- Inspect fog light relay continuity.
Standard
3 INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
- Measure voltage between the terminal B8-7 of the multiplex network body ECU in the instrument panel junction block assembly and body ground.
Voltage
4 INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
- Remove the instrument panel junction block assembly.
- Measure voltage between each of the terminals as shown in the chart below.
Voltage
REPAIR OR REPLACE HARNESS OR CONNECTOR
DRL Relay Circuit
DESCRIPTION
The Multiplex network body ECU controls the DRL No.2 relay
WIRING DIAGRAM
INSPECTION PROCEDURE
1 PERFORM ACTIVE TEST BY INTELLIGENT TESTER
Connect the intelligent tester to DLC ...
Light Control Switch Circuit
DESCRIPTION
This circuit detects the state of the headlight dimmer switch.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 READ VALUE OF INTELLIGENT TESTER
Connect the intelligent tester to DLC3.
...
Other materials:
Stereo component amplifier
COMPONENTS
Removal
1. REMOVE GLOVE COMPARTMENT DOOR ASSEMBLY
2. REMOVE STEREO COMPONENT AMPLIFIER ASSEMBLY
Disconnect the connectors.
Remove the 2 nuts and the stereo component
amplifier assembly.
Installation
1. INSTALL STEREO COMPONENT AMPLIFIER ASSEMBLY
...
Installation
1. INSTALL HEATED OXYGEN SENSOR (for Bank 2
Sensor 2) (See page EC-39)
2. INSTALL FRONT EXHAUST PIPE ASSEMBLY
(a) Install a new gasket to the front exhaust pipe
assembly.
(b) Install the front exhaust pipe assembly with the 2
nuts.
Torque: 62 N*m (632 kgf*cm, 46 ft.*lbf)
3. V
V(A) ins ...
Manual Up / Down Function does not Operate on Rear RH Only
DESCRIPTION
If the manual UP/DOWN function does not operate, the power window motor, the
regulator switch or the
wire harness may be malfunctioning.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK WIRE HARNESS (POWER SOURCE)
Disconnect the P39 regulator switch connector.
Turn ...
