TERMINALS OF ECU
1. CHECK MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)
(a) Disconnect the 2F and 2C driver side junction block connectors.
(b) Disconnect the D50 and D51 main body ECU connectors.
(c) Measure the resistance and voltage according to the value(s) in the table below.
HINT:
Measure the values on the wire harness side with the connector disconnected.
|
Tester Connection |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|
|
2F-16 (GND1) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
|
2C-30 (ALTB) - Body ground |
BR - Body ground |
Battery power supply |
Always |
11 to 14 V |
|
D50-24 (DCTY) - Body ground |
V - Body ground |
Driver door courtesy light switch signal |
Switch pushed (Door closed) |
10 kΩ or higher |
|
D50-24 (DCTY) - Body ground |
V - Body ground |
Driver door courtesy light switch signal |
Switch free (Door open) |
Below 1 Ω |
|
D51-5 (KSW) - Body ground |
L - Body ground |
Unlock warning switch signal |
No key is in ignition key cylinder |
10 kΩ or higher |
|
D51-5 (KSW) - Body ground |
L - Body ground |
Unlock warning switch signal |
Key is in ignition key cylinder |
Below 1 Ω |
If the result is not as specified, there may be a malfunction on the wire harness side.
Diagnosis System
Data List / Active TestDisassembly
DISASSEMBLY
PROCEDURE
1. REMOVE FRONT DRIVE SHAFT HOLE SNAP RING (for LH Side)
(a) Using a screwdriver, remove the front drive shaft hole snap ring.
2. REMOVE NO. 2 FRONT AXLE INBOARD JOINT BOOT CLA ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL POWER STEERING ECU ASSEMBLY
(a) Engage the 4 wire harness clamps to the power steering ECU assembly.
(b) Install the power steering ECU assembly with the ...
Lost Communication with Gateway Module (MS Bus) (U1002)
DESCRIPTION
The main body ECU will store this DTC when no signals can be received
from the ECUs that have been memorized as those that are connected to the
CAN MS bus.
When the main body ECU receives a response signal from the ECUs connecte ...