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 TestStarter Relay Circuit High (P0617)
DESCRIPTION
While the engine is being cranked, battery voltage is applied to terminal STA
of the TCM.
If the TCM detects the Starter Control (STA) signal while the vehicle is being
driven, it determines that there is a malfunction in the STA circuit. The ...
LVDS Signal Malfunction (from Extension Module) (B1532)
DESCRIPTION
The stereo component tuner assembly and the radio and display receiver assembly
are connected by an LVDS communication line.
This DTC is stored when an LVDS communication error occurs between the stereo
component tuner assembly and the radio ...
IG2 Signal Malfunction (B2788)
DESCRIPTION
The steering lock ECU (steering lock actuator assembly) receives power from the
IG2 relay. When the voltage value indicated by the IG signal from the certification
ECU (smart key ECU assembly) equals to the voltage that is applied to the steer ...