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 TestDisplay does not Dim when Light Control Switch is Turned ON
PROCEDURE
1.
CHECK IMAGE QUALITY SETTING
(a) Turn the light control switch to the tail or head position.
(b) Check that the daytime screen setting on the display adjustment screen is
set to on.
Result
...
Starter 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 ...
Open in Outside Luggage Compartment Electrical Key Antenna Circuit (B27A8)
DESCRIPTION
The certification ECU (smart key ECU assembly) generates a request signal and
sends it to the outside electrical key oscillator (for rear side). To detect the
key near the driver door, the outside electrical key oscillator (for rear side)
cr ...