Toyota Sienna Service Manual: 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 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.
BODY NO.1:
2 INSPECT DRL NO.2 RELAY
- Inspect DRL No.2 Relay continuity.
Resistance
3 CHECK HARNESS AND CONNECTOR (POWER SOURCE)
- Disconnect the connector from the instrument panel junction block assembly.
- Measure the voltage according to the value(s) in the table below.
Voltage
4 INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY
- Reconnect the connector to the instrument panel junction block assembly.
- Measure the voltage according to the value(s) in the table below.
Voltage
5 INSPECT RELAY (DRL NO.3, DRL NO.4)
- Inspect DRL NO.4 Relay continuity.
Resistance
- Inspect DRL NO.3 Relay continuity.
Resistance
6 INSPECT DAYTIME RUNNING LIGHT RESISTER
- Measure the resistance according to the value(s) in the table below.
Resistance
REPAIR OR REPLACE HARNESS OR CONNECTOR
Headlight Relay Circuit
DESCRIPTION
The Multiplex network body ECU controls HEAD relay when signal is received
from headlight dimmer
switch assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 PERFORM ACTIVE TEST BY IN ...
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 INT ...
Other materials:
Setting up intuitive parking assist
You can change the buzzer sound volume and the screen operating
conditions.
Press the “APPS” button.
Select “Setup” on the screen.
Select “Vehicle” on the screen.
Select “TOYOTA Park Assist Settings” on the screen.
Select the desired item.
The buzzer sound volu ...
Back Door ECU Communication Stop
DTC B1287 Back Door ECU Communication Stop
DESCRIPTION
DTC B1287 is output when communication between the power back door ECU and
the multiplex network
gateway ECU stops for more than 10 seconds.
DTC No.
DTC Detection Condition
Trouble Area
B1287
Back d ...
If you have a flat tire
(vehicles with a compact
spare tire)
Your vehicle is equipped with a spare tire. The flat tire can be
replaced with the spare tire.
For details about tires:
WARNINGIf you have a flat tire
Do not continue driving with a flat tire.
Driving even a short distance with a flat tire can damage the tire and
the
wheel ...
