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 |
CD Sound Skips
CAUTION / NOTICE / HINT
NOTICE:
After replacing the navigation receiver assembly of vehicles subscribed to pay-type
satellite radio broadcasts, XM radio ID registration is necessary.
PROCEDURE
1.
CHECK DISC
(a) ...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK FRONT POWER SEAT SWITCH LH
(a) Disconnect the b18 and b19 connectors from the front power seat switch LH.
(b) Measure the voltage and resistance according to the value(s) in the table
below.
Terminal No. (Symbol)
...