DESCRIPTION
The main body ECU (multiplex network body ECU) controls the front fog lights.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
PROCEDURE
1. |
PERFORM ACTIVE TEST USING TECHSTREAM (FRONT FOG LIGHT RELAY) |
(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 |
---|---|---|---|
Front Fog Light Relay |
Front Fog Light |
ON/OFF |
- |
OK:
Front fog lights illuminate.
OK |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
|
2. |
INSPECT FOG FR RELAY |
(a) Remove the FOG FR relay from the engine room relay block. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
3 - 5 |
Battery voltage not applied to terminals 1 and 2 |
10 kΩ or higher |
3 - 5 |
Battery voltage applied to terminals 1 and 2 |
Below 1 Ω |
NG |
REPLACE FOG FR RELAY |
|
3. |
CHECK HARNESS AND CONNECTOR (BATTERY - FOG FR RELAY) |
(a) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
Relay terminal 1 - Body ground |
Always |
11 to 14 V |
Relay terminal 3 - Body ground |
Always |
11 to 14 V |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
4. |
CHECK HARNESS AND CONNECTOR (FOG FR RELAY - DRIVER SIDE JUNCTION BLOCK) |
(a) Disconnect the 1F driver side junction block connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
Relay terminal 2 - 1F-27 |
Always |
Below 1 Ω |
1F-27 - Body ground |
Always |
10 kΩ or higher |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
5. |
INSPECT DRIVER SIDE JUNCTION BLOCK |
(a) Remove the driver side junction block. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
1F-27 - MB-7 (FFOG) |
Always |
Below 1 Ω |
1F-27 - Body ground |
Always |
10 kΩ or higher |
*a |
Component without harness connected (Driver Side Junction Block) |
OK |
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
NG |
REPLACE DRIVER SIDE JUNCTION BLOCK |
Freeze Frame Data
FREEZE FRAME DATA
DESCRIPTION
(a) When a pre-collision system DTC is stored, the millimeter wave radar sensor
assembly stores the current vehicle (ECU or sensor) state as Freeze Frame Data.
CHECK FREEZE FRAME DATA
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c ...
System Description
SYSTEM DESCRIPTION
LANE DEPARTURE ALERT SYSTEM DESCRIPTION
(a) The lane departure alert system is a system which uses the forward recognition
camera to recognize and determine the lane and the position of the vehicle when
the vehicle is being driven on highways and other roads with white (yell ...
Room Light Assembly
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE NO. 1 ROOM LIGHT ASSEMBLY
(a) Using a screwdriver with its tip wrapped in protective tape, disengage
the 4 claws to remove the No. 1 room light lens.
Text in Illustration
*a
...