DESCRIPTION
The main body ECU receives headlight dimmer switch information signals, and illuminates the clearance lights, taillights and license plate lights.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses and bulbs for circuits related to this system before performing the following inspection procedure.
PROCEDURE
1. |
PERFORM ACTIVE TEST USING TECHSTREAM (TAILLIGHT RELAY) |
(a) Using the Techstream, perform the Active Test (See page ).
Tester Display |
Test Part |
Control Range |
Diagnostic Note |
---|---|---|---|
Taillight Relay |
Taillight relay |
ON/OFF |
- |
OK:
Taillight relay operates (taillights illuminate).
OK |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
|
2. |
CHECK HARNESS AND CONNECTOR (BATTERY - MAIN BODY ECU) |
(a) Remove the main body ECU (See page ). |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
A-14 (TRLY) - Body ground |
Always |
11 to 14 V |
*a |
Front view of wire harness connector (to Main Body ECU) |
OK |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Display does not Dim when Light Control Switch is Turned ON
CAUTION / NOTICE / HINT
NOTICE:
After replacing the navigation receiver assembly of vehicles subscribed to pay-type
satellite radio broadcasts, registration of the XM radio ID is necessary.
PROCEDURE
1.
CHECK IMAGE QUALITY SETTING
...
Removal
REMOVAL
PROCEDURE
1. REMOVE NO. 1 ENGINE UNDER COVER SUB-ASSEMBLY
2. REMOVE REAR ENGINE UNDER COVER ASSEMBLY
3. REMOVE FRONT FENDER APRON SEAL RH
4. REMOVE FRONT NO. 1 FENDER APRON TO FRAME SEAL RH
5. REMOVE NO. 1 OIL COOLER INLET HOSE AND NO ...