DESCRIPTION
The key unlock warning switch assembly turns on when the ignition key is inserted into the ignition key cylinder and turns off when the ignition key is removed.
The main body ECU (driver side junction block assembly) operates the key confinement prevention function while the key unlock warning switch assembly is on.
WIRING DIAGRAM
PROCEDURE
1. |
READ VALUE USING TECHSTREAM (UNLOCK WARNING SWITCH ASSEMBLY) |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Select the item below in the Data List and then read the display on the Techstream.
Main Body
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|
Key Unlock Warning SW |
Unlock warning switch signal/ON or OFF |
ON: Key inserted into ignition key cylinder OFF: Key removed from ignition key cylinder |
- |
OK:
When the key is in the ignition key cylinder, ON appears on the Techstream.
OK |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
|
2. |
INSPECT UNLOCK WARNING SWITCH ASSEMBLY |
(a) Remove the unlock warning switch assembly (See page ). |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D24-1 (UN+) - D24-2 (UN-) |
Free (Key removed) |
10 kΩ or higher |
D24-1 (UN+) - D24-2 (UN-) |
Pushed (Key set) |
Below 1 Ω |
*1 |
Component without harness connected (Unlock Warning Switch Assembly) |
NG |
REPLACE UNLOCK WARNING SWITCH ASSEMBLY |
|
3. |
CHECK HARNESS AND CONNECTOR (UNLOCK WARNING SWITCH ASSEMBLY - BODY GROUND) |
(a) Disconnect the D24 unlock warning switch assembly connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D24-2 (UN-) - Body ground |
Always |
Below 1 Ω |
*1 |
Front view of wire harness connector (to Unlock Warning Switch Assembly) |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
4. |
CHECK HARNESS AND CONNECTOR (UNLOCK WARNING SWITCH ASSEMBLY - MAIN BODY ECU) |
(a) Disconnect the D51 main body ECU (driver side junction block assembly) connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D24-1 (UN+) - D51-5 (KSW) |
Always |
Below 1 Ω |
*1 |
Front view of wire harness connector (to Main Body ECU (Driver Side Junction Block Assembly)) |
*2 |
Front view of wire harness connector (to Unlock Warning Switch Assembly) |
OK |
REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY) |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Short in Curtain Shield Squib RH Circuit (B1830/57-B1833/57)
DESCRIPTION
The curtain shield squib RH circuit consists of the center airbag sensor assembly
and curtain shield airbag assembly RH.
The center airbag sensor assembly uses this circuit to deploy the airbag when
deployment conditions are met.
These DTCs ...
Data Signal Circuit between Radio Receiver and Stereo Jack Adapter
DESCRIPTION
The No. 1 stereo jack adapter assembly sends the sound data signal or image data
signal from a USB device to the radio and display receiver assembly via this circuit.
WIRING DIAGRAM
PROCEDURE
1.
CHECK HARNESS AND CONN ...
System Diagram
SYSTEM DIAGRAM
Communication Table
Sender
Receiver
Signal
Line
Main body ECU (Driver side junction block assembly)
Power back door ECU (Power back door motor unit)
...