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:
Scratched / Reversed Disc
63-46 Scratched / Reversed Disc
DESCRIPTION
DTC No.
DTC Detection Condition
Trouble Area
63-46
Scratches or dirt is found on CD surface or CD is set
upside down.
CD
Radio and navigation assembly
INSPECTION PROCEDURE
H ...
Evaporator temperature sensor
ON-VEHICLE INSPECTION
1. INSPECT A/C EVAPORATOR TEMPERATURE SENSOR
(a) Remove the A/C evaporator temperature sensor (A/
C thermistor).
(b) Disconnect the connector from the A/C evaporator
temperature sensor (A/C thermistor).
(c) Measure the resistance according to the value(s) in
the ...
Bluetooth® phone
message function
Received messages can be forwarded from the connected
Bluetooth® phone, enabling checking and replying using the
audio system.
Depending on the type of Bluetooth® phone connected, received
messages may not be transferred to the message inbox.
If the phone does not support the message func ...
