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Door Courtesy Light Does Not Illuminate








LIGHTING: LIGHTING SYSTEM: Door Courtesy Light does not Illuminate

Door Courtesy Light does not Illuminate

WIRING DIAGRAM





INSPECTION PROCEDURE
NOTICE:
First perform the communication function inspections in HOW TO PROCEED WITH TROUBLESHOOTING to confirm that there are no CAN communication malfunctions before troubleshooting this symptom.

PROCEDURE

1. CONFIRM LIGHT POSITION
(a) Check the malfunctioning door courtesy light.

Result





E -- REPLACE MAIN BODY ECU
D -- PERFORM ACTIVE TEST USING TECHSTREAM (DOOR COURTESY LIGHT)
C -- PERFORM ACTIVE TEST USING TECHSTREAM (DOOR COURTESY LIGHT)
B -- PERFORM ACTIVE TEST USING TECHSTREAM (DOOR COURTESY LIGHT)
A -- Continue to next step.
2. PERFORM ACTIVE TEST USING TECHSTREAM (DOOR COURTESY LIGHT)
(a) Using the Techstream, perform the Active Test.

Driver Door





OK:
Door courtesy light condition is switched by Active Test.
NG -- CHECK HARNESS AND CONNECTOR (FRONT DOOR COURTESY LIGHT LH - FRONT MULTIPLEX NETWORK DOOR ECU LH)
OK -- Continue to next step.
3. READ VALUE USING TECHSTREAM (DOOR COURTESY LIGHT SWITCH)
(a) Using the Techstream, read the Data List.

Main Body





OK:
Switch condition (ON/OFF) can be switched by actual operation.
NG -- INSPECT FRONT DOOR COURTESY LIGHT SWITCH LH
OK -- REPLACE MAIN BODY ECU
4. PERFORM ACTIVE TEST USING TECHSTREAM (DOOR COURTESY LIGHT)
(a) Using the Techstream, perform the Active Test.

Passenger Door





OK:
Door courtesy light condition is switched by Active Test.
NG -- CHECK HARNESS AND CONNECTOR (FRONT DOOR COURTESY LIGHT RH - FRONT MULTIPLEX NETWORK DOOR ECU RH)
OK -- Continue to next step.
5. READ VALUE USING TECHSTREAM (DOOR COURTESY LIGHT SWITCH)
(a) Using the Techstream, read the Data List.

Main Body





OK:
Switch condition (ON/OFF) can be switched by actual operation.
NG -- INSPECT FRONT DOOR COURTESY LIGHT SWITCH RH
OK -- REPLACE MAIN BODY ECU
6. PERFORM ACTIVE TEST USING TECHSTREAM (DOOR COURTESY LIGHT)
(a) Using the Techstream, perform the Active Test.

Rear Left Door





OK:
Door courtesy light condition is switched by Active Test.
NG -- CHECK HARNESS AND CONNECTOR (REAR DOOR COURTESY LIGHT LH - REAR MULTIPLEX NETWORK DOOR ECU LH)
OK -- Continue to next step.
7. READ VALUE USING TECHSTREAM (DOOR COURTESY LIGHT SWITCH)
(a) Using the Techstream, read the Data List.

Main Body





OK:
Switch condition (ON/OFF) can be switched by actual operation.
NG -- INSPECT REAR DOOR COURTESY LIGHT SWITCH LH
OK -- REPLACE MAIN BODY ECU
8. PERFORM ACTIVE TEST USING TECHSTREAM (DOOR COURTESY LIGHT)
(a) Using the Techstream, perform the Active Test.

Rear Right Door





OK:
Door courtesy light condition is switched by Active Test.
NG -- CHECK HARNESS AND CONNECTOR (REAR DOOR COURTESY LIGHT RH - REAR MULTIPLEX NETWORK DOOR ECU RH)
OK -- Continue to next step.
9. READ VALUE USING TECHSTREAM (DOOR COURTESY LIGHT SWITCH)
(a) Using the Techstream, read the Data List.

Main Body





OK:
Switch condition (ON/OFF) can be switched by actual operation.
NG -- INSPECT REAR DOOR COURTESY LIGHT SWITCH RH
OK -- REPLACE MAIN BODY ECU
10.
CHECK HARNESS AND CONNECTOR (FRONT DOOR COURTESY LIGHT LH - FRONT MULTIPLEX NETWORK DOOR ECU LH)




(a) Disconnect the P10 ECU connector.
(b) Disconnect the P11 light connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
11. CHECK FRONT DOOR COURTESY LIGHT LH (OPERATION)
(a) Temporarily replace the front door courtesy light LH with a new or normally functioning one [1][2]Removal.
(b) Check the front door courtesy light LH operation.
OK:
Front door courtesy light LH operation is normal.
NG -- REPLACE FRONT MULTIPLEX NETWORK DOOR ECU LH
OK -- END (REPLACE FRONT DOOR COURTESY LIGHT LH)
12.
INSPECT FRONT DOOR COURTESY LIGHT SWITCH LH




(a) Remove the front door courtesy light switch LH Removal.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPLACE FRONT DOOR COURTESY LIGHT SWITCH LH
OK -- Continue to next step.
13.
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - FRONT DOOR COURTESY LIGHT SWITCH LH)




(a) Disconnect the L13 ECU connector.
(b) Disconnect the S6 switch connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE MAIN BODY ECU
14.
CHECK HARNESS AND CONNECTOR (FRONT DOOR COURTESY LIGHT RH - FRONT MULTIPLEX NETWORK DOOR ECU RH)




(a) Disconnect the P4 ECU connector.
(b) Disconnect the P5 light connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
15. CHECK FRONT COURTESY LIGHT RH (OPERATION)
(a) Temporarily replace the front door courtesy light RH with a new or normally functioning one [1][2]Removal.
(b) Check the front door courtesy light RH operation.
OK:
Front door courtesy light RH operation is normal.
NG -- REPLACE FRONT MULTIPLEX NETWORK DOOR ECU RH
OK -- END (REPLACE FRONT DOOR COURTESY LIGHT RH)
16.
INSPECT FRONT DOOR COURTESY LIGHT SWITCH RH




(a) Remove the front door courtesy light switch RH Removal.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPLACE FRONT DOOR COURTESY LIGHT SWITCH RH
OK -- Continue to next step.
17.
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - FRONT DOOR COURTESY LIGHT SWITCH RH)




(a) Disconnect the L12 ECU connector.
(b) Disconnect the R6 switch connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE MAIN BODY ECU
18.
CHECK HARNESS AND CONNECTOR (REAR DOOR COURTESY LIGHT LH - REAR MULTIPLEX NETWORK DOOR ECU LH)




(a) Disconnect the O15 ECU connector.
(b) Disconnect the Q10 light connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
19. CHECK REAR COURTESY LIGHT LH (OPERATION)
(a) Temporarily replace the rear door courtesy light LH with a new or normally functioning one [1][2]Removal.
(b) Check the rear door courtesy light LH operation.
OK:
Rear door courtesy light LH operation is normal.
NG -- REPLACE REAR MULTIPLEX NETWORK DOOR ECU LH
OK -- END (REPLACE REAR COURTESY LIGHT LH)
20.
INSPECT REAR DOOR COURTESY LIGHT SWITCH LH




(a) Remove the rear door courtesy light switch LH Removal.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPLACE REAR DOOR COURTESY LIGHT SWITCH LH
OK -- Continue to next step.
21.
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - REAR DOOR COURTESY LIGHT SWITCH LH)




(a) Disconnect the DD ECU connector.
(b) Disconnect the S14 switch connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE MAIN BODY ECU
22.
CHECK HARNESS AND CONNECTOR (REAR DOOR COURTESY LIGHT RH - REAR MULTIPLEX NETWORK DOOR ECU RH)




(a) Disconnect the O2 ECU connector.
(b) Disconnect the Q5 light connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
23. CHECK REAR COURTESY LIGHT RH (OPERATION)
(a) Temporarily replace the rear door courtesy light RH with a new or normally functioning one [1][2]Removal.
(b) Check the rear door courtesy light RH operation.
OK:
Rear door courtesy light RH operation is normal.
NG -- REPLACE REAR MULTIPLEX NETWORK DOOR ECU RH
OK -- END (REPLACE REAR DOOR COURTESY LIGHT RH)
24.
INSPECT REAR DOOR COURTESY LIGHT SWITCH RH




(a) Remove the rear door courtesy light switch RH Removal.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPLACE REAR DOOR COURTESY LIGHT SWITCH RH
OK -- Continue to next step.
25.
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - REAR DOOR COURTESY LIGHT SWITCH RH)




(a) Disconnect the L12 ECU connector.
(b) Disconnect the R12 switch connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE MAIN BODY ECU
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