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 TestRemoval
REMOVAL
PROCEDURE
1. REMOVE ROOF DRIP CENTER SIDE FINISH MOULDING (w/o Sliding Roof)
(a) Put protective tape around the roof drip center side finish moulding.
Text in Illustration
*1
Protective Tape
...
Lost Communication with Front Satellite Sensor Bus (B161A/8A)
DESCRIPTION
The front collision sensor circuit (front airbag sensor RH circuit and front
airbag sensor LH circuit) is composed of the center airbag sensor assembly, front
airbag sensor RH and front airbag sensor LH.
The front airbag sensor RH or front ai ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT ATF TEMPERATURE SENSOR ASSEMBLY
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
Sp ...