DESCRIPTION
Each unit of the navigation system connected to the AVC-LAN (communication bus) transmits switch signals via AVC-LAN communication.
If a short to +B or short to ground occurs in the AVC-LAN, the navigation system will not function normally because communication is not possible.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
HINT:
The navigation receiver assembly is the master unit.
PROCEDURE
1. |
INSPECT NAVIGATION RECEIVER ASSEMBLY |
(a) Remove the navigation receiver assembly (See page
|
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
7 (TX1+) - 8 (TX1-) |
Always |
60 to 80 Ω |
*a |
Component without harness connected (Navigation Receiver Assembly) |
NG | ![]() |
REPLACE NAVIGATION RECEIVER ASSEMBLY |
|
2. |
CHECK HARNESS AND CONNECTOR (AVC-LAN CIRCUIT) |
(a) Disconnect the E40 navigation receiver assembly connector.
(b) Disconnect the E14 stereo component amplifier assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
E14-8 (TX+) - E40-7 (TX1+) |
Always |
Below 1 Ω |
E14-7 (TX-) - E40-8 (TX1-) |
Always |
Below 1 Ω |
E14-8 (TX+) - Body ground |
Always |
10 kΩ or higher |
E14-7 (TX-) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
INSPECT MALFUNCTIONING PARTS |
(a) Disconnect and reconnect each slave unit one by one until the master unit returns to normal.
HINT:
OK:
Master unit returns to normal.
OK | ![]() |
REPLACE MALFUNCTIONING PARTS |
NG | ![]() |
REPLACE NAVIGATION RECEIVER ASSEMBLY |
PS Warning Light Remains ON
DESCRIPTION
If the power steering ECU detects a malfunction, the P/S warning light comes
on. At this time, the power steering ECU stores a DTC in its memory.
WIRING DIAGRAM
1. w/ Smart Key System
2. w/o Smart Key System
CAUTION / NOTICE / HINT
NOTI ...
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the LH side and RH side.
The following procedure listed below is for the LH side.
PROCEDURE
1. REMOVE REAR WHEEL
2. SEPARATE REAR SPEED SENSOR
3. REMOVE REAR AXLE SHAF ...
System Diagram
SYSTEM DIAGRAM
Input and Output Signal of Each ECU
Transmitting ECU (transmitter)
Receiving ECU
Signal
Communication Method
Power management Control ECU
Steering Lock ECU (Steering Lock ...