DESCRIPTION
The main body ECU receives headlight dimmer switch information signals, and illuminates the front fog light.
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 (FRONT FOG LIGHT RELAY) |
(a) Using the Techstream, perform the Active Test (See page
).
Tester Display |
Test Part |
Control Range |
Diagnostic Note |
---|---|---|---|
Front Fog Light Relay |
Front fog light relay |
ON/OFF |
- |
OK:
Front fog light relay operates (front fog lights come on).
OK | ![]() |
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
|
2. |
CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
(a) Measure the voltage according to the value(s) in the table below. Standard Voltage:
|
|
OK | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (DRIVER SIDE JUNCTION BLOCK ASSEMBLY - FOG LIGHT ASSEMBLY) |
NG | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. CHECK INSTRUMENT PANEL PASSENGER AIRBAG ASSEMBLY (VEHICLE NOT INVOLVED IN
COLLISION)
(a) Perform a diagnostic system check (See page
).
(b) With the instrument panel passenger airbag installed on the vehicle, perform ...
How To Use This Manual
General Information
GENERAL INFORMATION
1. GENERAL DESCRIPTION
(a) This manual is written in accordance with SAE J2008.
(1) Diagnosis
(2) Removing/Installing, Replacing, Disassembling/Reassembling, Checking and
Adjusting
(3) Final Inspection
(b) The ...