LIGHTING SYSTEM (for Hatchback) > Door Courtesy Switch Circuit |
DESCRIPTION
The main body ECU detects the condition of each door courtesy light switch.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.
According to the display on the Techstream, read the Data List.
Main Body Tester Display Measurement Item/Range Normal Condition Diagnostic Note RR Door Courtesy SW*1 Rear door courtesy light switch LH and RH signal /
OFF or ONOFF: Rear door LH and RH closed
ON: Rear door LH or RH opened- RL Door Courtesy SW*1 Rear door courtesy light switch LH and RH signal /
OFF or ONOFF: Rear door LH and RH closed
ON: Rear door LH or RH opened- Back Door Courtesy SW Back door courtesy light switch signal /
OFF or ONOFF: Back door closed
ON: Back door opened- FR Door Courtesy Front door courtesy light switch RH signal /
ON or OFFON: Front door RH closed
OFF: Front door RH opened- FL Door Courtesy Front door courtesy light switch LH signal /
ON or OFFON: Front door LH closed
OFF: Front door LH opened- - *1: for 5 Door
- OK:
- Normal conditions listed above are displayed.
Result Result Proceed to OK A NG (Front door courtesy light switch assembly LH does not operate) B NG (Front door courtesy light switch assembly RH does not operate) C NG (Rear door courtesy light switch assembly does not operate)*1 D NG (Back door courtesy switch) E - *1: for 5 Door
- *1: for 5 Door
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A | ||
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2.INSPECT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LH |
Inspect the front door courtesy light switch assembly LH (Click here).
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OK | |
3.CHECK HARNESS AND CONNECTOR (FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LH - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY) |
Disconnect the J60 front door courtesy light switch assembly LH connector.
Disconnect the 3D instrument panel junction block assembly connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection Condition Specified Condition J60-1 - 3D-36 Always Below 1 Ω J60-1 - Body ground Always 10 kΩ or higher
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OK | |
4.INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY |
Remove the instrument panel junction block assembly.
Remove the main body ECU from the instrument panel junction block assembly.
Measure the resistance according to the value(s) in the table below.
Text in Illustration *a Component without harness connected
(Instrument Panel Junction Block Assembly)- - - Standard Resistance:
Tester Connection Condition Specified Condition 3D-36 - MB-2 (FLCY) Always Below 1 Ω
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OK | ||
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5.INSPECT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY RH |
Inspect the front door courtesy light switch assembly RH (Click here).
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OK | |
6.CHECK HARNESS AND CONNECTOR (FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY RH - MAIN BODY ECU) |
Disconnect J61 front door courtesy light switch assembly RH connector.
Disconnect the D143 main body ECU connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
Tester Connection Condition Specified Condition J61-1 - D143-19 (FRCY) Always Below 1 Ω J61-1 - Body ground Always 10 kΩ or higher
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OK | ||
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7.INSPECT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY |
Inspect the rear door courtesy light switch assembly (Click here).
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OK | |
8.CHECK HARNESS AND CONNECTOR (REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY - MAIN BODY ECU) |
Disconnect J62 or J63 rear door courtesy light switch assembly connector.
Disconnect the D143 main body ECU connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
LH Tester Connection Condition Specified Condition J62-1 - D143-6 (LRCY) Always Below 1 Ω J62-1 - Body ground Always 10 kΩ or higher RH Tester Connection Condition Specified Condition J63-1 - D143-6 (LRCY) Always Below 1 Ω J63-1 - Body ground Always 10 kΩ or higher
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OK | ||
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9.INSPECT BACK DOOR LOCK ASSEMBLY (BACK DOOR COURTESY SWITCH) |
Inspect the back door lock assembly (back door courtesy switch) (Click here).
Result Result Proceed to NG A OK (w/ Daytime Running Light System or w/ Theft Deterrent System) B OK (w/o Daytime Running Light System and w/o Theft Deterrent System) C
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A | ||
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10.CHECK HARNESS AND CONNECTOR (BACK DOOR LOCK ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND BODY GROUND) |
w/ Power Door Lock
Disconnect the T5 back door lock assembly (back door courtesy switch) connector.
w/o Power Door Lock
Disconnect the T8 back door lock assembly (back door courtesy switch) connector.
Disconnect the 3D instrument panel junction block assembly connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
w/ Power Door Lock Tester Connection Condition Specified Condition T5-3 (D+) - 3D-35 Always Below 1 Ω T5-3 (D+) - Body ground Always 10 kΩ or higher T5-2 (ACT-) - Body ground Always Below 1 Ω w/o Power Door Lock Tester Connection Condition Specified Condition T8-4 (D+) - 3D-35 Always Below 1 Ω T8-4 (D+) - Body ground Always 10 kΩ or higher T8-5 (ACT-) - Body ground Always Below 1 Ω
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OK | |
11.INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY |
Remove the instrument panel junction block assembly.
Remove the main body ECU from the instrument panel junction block assembly.
Measure the resistance according to the value(s) in the table below.
Text in Illustration *a Component without harness connected
(Instrument Panel Junction Block Assembly)- - - Standard Resistance:
Tester Connection Condition Specified Condition 3D-35 - MB-20 (BCTY) Always Below 1 Ω
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OK | ||
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12.CHECK HARNESS AND CONNECTOR (BACK DOOR LOCK ASSEMBLY - MAIN BODY ECU AND BODY GROUND) |
w/ Power Door Lock
Disconnect the T5 back door lock assembly (back door courtesy switch) connector.
w/o Power Door Lock
Disconnect the T8 back door lock assembly (back door courtesy switch) connector.
Disconnect the D143 main body ECU connector.
Measure the resistance according to the value(s) in the table below.
- Standard Resistance:
w/ Power Door Lock Tester Connection Condition Specified Condition T5-3 (D+) - D143-1 (BCTY) Always Below 1 Ω T5-3 (D+) - Body ground Always 10 kΩ or higher T5-2 (ACT-) - Body ground Always Below 1 Ω w/o Power Door Lock Tester Connection Condition Specified Condition T8-4 (D+) - D143-1 (BCTY) Always Below 1 Ω T8-4 (D+) - Body ground Always 10 kΩ or higher T8-5 (ACT-) - Body ground Always Below 1 Ω
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OK | ||
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