DESCRIPTION
When the battery saving control operates, the main body ECU (multiplex network body ECU) controls the operation of the DOME CUT relay, that is built in to the driver side junction block, to turn off the interior lights.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
PROCEDURE
1. |
PERFORM ACTIVE TEST USING TECHSTREAM (RELAY FOR INTERIOR LIGHT AUTO CUT FUNCTION) |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Main Body / Active Test.
(e) Perform the Active Test according to the display on the Techstream.
Main Body
Tester Display |
Test Part |
Control Range |
Diagnostic Note |
---|---|---|---|
Relay for Interior Light Auto Cut Function |
DOME CUT relay |
ON/OFF |
|
OK:
DOME CUT relay operates.
OK | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
|
2. |
CHECK HARNESS AND CONNECTOR (DOME FUSE - DRIVER SIDE JUNCTION BLOCK) |
(a) Disconnect the 1L driver side junction block connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
1L-1 - Body ground |
Always |
11 to 14 V |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
REPLACE DRIVER SIDE JUNCTION BLOCK |
(a) Replace the driver side junction block (See page
).
|
4. |
PERFORM ACTIVE TEST USING TECHSTREAM (RELAY FOR INTERIOR LIGHT AUTO CUT FUNCTION) |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Main Body / Active Test.
(e) Perform the Active Test according to the display on the Techstream.
Main Body
Tester Display |
Test Part |
Control Range |
Diagnostic Note |
---|---|---|---|
Relay for Interior Light Auto Cut Function |
DOME CUT relay |
ON/OFF |
|
OK:
DOME CUT relay operates.
OK | ![]() |
END (DRIVER SIDE JUNCTION BLOCK WAS DEFECTIVE) |
NG | ![]() |
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
Engine Hood Courtesy Switch
Components
COMPONENTS
ILLUSTRATION
Inspection
INSPECTION
PROCEDURE
1. INSPECT HOOD COURTESY SWITCH (HOOD LOCK ASSEMBLY)
(a) Check the resistance.
(1) Measure the resistance according to the value(s) in the table below.
Text in Illustration
*a
...
Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL UPPER RADIATOR TANK
(a) Install a new upper radiator tank.
Text in Illustration
*1
Upper Radiator Tank
*2
Core Plate
*a
Correc ...
Test Mode Procedure
TEST MODE PROCEDURE
1. TEST MODE PROCEDURE (for Using Techstream)
HINT:
If the ignition switch is turned from the ON to the ACC or LOCK position
during test mode, DTCs related to the signal check function will be cleared.
During test mode, the skid control ECU (master cylinder ...