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:
Installation
1. INSTALL BRAKE ACTUATOR
(a) Install the brake actuator assembly with the 2 nuts.
Torque: 5.4 N*m (55 kgf*cm, 48 in.*lbf)
2. INSTALL BRAKE ACTUATOR WITH BRACKET
(a) Install the actuator with bracket with the 3 bolts.
Torque: 20 N*m (199 kgf*cm, 14 ft.*lbf)
NOTICE:
Be careful not to dam ...
Repair
1. STEERING OFF CENTER REPAIR PROCEDURE
(a) Inspect steering wheel off center.
(1) Apply masking tape to the top center of the
steering wheel and steering column upper
cover.
(2) Drive the vehicle in a straight line for 100
meters at a constant speed of 35 mph (56 km/
h), and hold the ...
Removal
1. REMOVE FRONT WHEELS
2. REMOVE FRONT STABILIZER LINK ASSEMBLY LH
HINT:
(See page SP-26)
3. REMOVE FRONT STABILIZER LINK ASSEMBLY RH
HINT:
Remove the RH side by the same procedures as the LH
side.
4. REMOVE CENTER EXHAUST PIPE ASSEMBLY
HINT:
(See page EX-8)
5. REMOVE NO. 1 FRONT STABILIZ ...
