LIGHTING SYSTEM > Door Courtesy Switch Circuit |
for Preparation Click here
DESCRIPTION
The main body ECU detects the condition of the door courtesy switches.WIRING DIAGRAM
INSPECTION PROCEDURE
1.READ VALUE USING TECHSTREAM |
Connect the Techstream to the DLC3.
Turn the ignition switch to ON.
Turn the Techstream on.
Enter the following menus: Body Electrical / Main Body / Data List.
Read the display on the Techstream.
Main Body (Main Body ECU) Tester Display Measurement Item/Range Normal Condition Diagnostic Note D Door Courtesy SW Driver side door courtesy switch signal/ON or OFF ON: Driver side door is open
OFF: Driver side door is closed- P Door Courtesy SW Front passenger side door courtesy switch signal/ON or OFF ON: Front passenger side door is open
OFF: Front passenger side door is closed- RR Door Courtesy SW Rear door courtesy switch RH signal/ON or OFF ON: Rear door RH is open
OFF: Rear door RH is closed- RL Door Courtesy SW Rear door courtesy switch LH signal/ON or OFF ON: Rear door LH is open
OFF: Rear door LH is closed- Luggage Courtesy SW Luggage compartment door courtesy switch signal/ON or OFF ON: Luggage compartment door is open
OFF: Luggage compartment door is closed- - OK:
- Normal conditions listed above are displayed.
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OK | ||
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2.INSPECT DOOR COURTESY SWITCH |
Inspect the front door courtesy switch (Click here), rear door courtesy switch (Click here), or luggage compartment door courtesy switch (Click here).
- OK:
- Door courtesy switches are normal.
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OK | |
3.CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK - SWITCH) |
Disconnect the E50*1 or E61*2 main body ECU connector.
Disconnect the 2A and 2E instrument panel junction block connectors.
Disconnect the L18 door lock assembly connector.
Disconnect each door courtesy switch connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
- Front LH:
Tester Connection Condition Specified Condition 2A-21 (DCTY) - L3-1 Always Below 1 Ω L3-1 - Body ground Always 10 kΩ or higher - Front RH:
Tester Connection Condition Specified Condition 2E-20 (PCTY) - M1-1 Always Below 1 Ω M1-1 - Body ground Always 10 kΩ or higher - Rear LH:
Tester Connection Condition Specified Condition E50-8 (LCTY)*1 - L5-1
E61-13 (LCTY)*2 - L5-1Always Below 1 Ω L5-1 - Body ground Always 10 kΩ or higher - Rear RH:
Tester Connection Condition Specified Condition 2E-19 (RCTY) - M3-1 Always Below 1 Ω M3-1 - Body ground Always 10 kΩ or higher - Luggage Compartment Door:
Tester Connection Condition Specified Condition 2A-7 (LGCY) - L18-3 Always Below 1 Ω L18-3 - Body ground Always 10 kΩ or higher L18-2 - Body ground Always Below 1 Ω
- HINT:
- *1: w/ Smart Key System
- *2: w/o Smart Key System
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OK | ||
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