SYSTEM DIAGRAM
Communication Table
|
Sender |
Receiver |
Signal |
Line |
|---|---|---|---|
|
Main Body ECU (Driver Side Junction Block Assembly) |
Clearance Warning ECU Assembly |
Destination information |
CAN |
|
ECM |
Clearance Warning ECU Assembly |
Shift position |
CAN |
|
Combination Meter Assembly |
Clearance Warning ECU Assembly |
Vehicle speed |
CAN |
|
Air Conditioning Amplifier Assembly |
Clearance Warning ECU Assembly |
Ambient temperature display |
CAN |
|
Clearance Warning ECU Assembly |
Combination Meter Assembly |
|
CAN |
System Description
How To Proceed With TroubleshootingDtc Check / Clear
DTC CHECK / CLEAR
1. CHECK FOR CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Smart Key / Trouble Code ...
Headlight Relay Circuit
DESCRIPTION
The main body ECU (driver side junction block assembly) controls the headlight
relays.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following
inspection proc ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" ...