WIRING DIAGRAM
INSPECTION PROCEDURE
Note
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
CONFIRM LIGHT POSITION
Check the malfunctioning door courtesy light.
| Result | Proceed to |
|---|---|
| Front LH | A |
| Front RH | B |
| Rear LH | C |
| Rear RH | D |
| All lights | E |
| B |
|
PERFORM ACTIVE TEST USING GTS (DOOR COURTESY LIGHT) Click here |
| C |
|
PERFORM ACTIVE TEST USING GTS (DOOR COURTESY LIGHT) Click here |
| D |
|
PERFORM ACTIVE TEST USING GTS (DOOR COURTESY LIGHT) Click here |
| E |
|
REPLACE MAIN BODY ECU |
| A |
|
PERFORM ACTIVE TEST USING GTS (DOOR COURTESY LIGHT)
Using the GTS, perform the Active Test.
| Tester Display | Test Part | Control Range |
|---|---|---|
| Courtesy Light | Courtesy light operation | OFF - ON |
| Tester Display | Test Part | Control Range |
|---|---|---|
| Courtesy Light | Courtesy light operation | OFF - ON |
| OK |
|---|
| Door courtesy light condition is switched by Active Test. |
| OK |
|
READ VALUE USING GTS (DOOR COURTESY LIGHT SWITCH) Click here |
| NG |
|
CHECK HARNESS AND CONNECTOR (FRONT DOOR COURTESY LIGHT LH - FRONT MULTIPLEX NETWORK DOOR ECU LH)
Disconnect the P10 ECU connector.
Disconnect the P11 light connector.
Measure the resistance according to the value(s) in the table below.
| Standard resistance | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
CHECK FRONT DOOR COURTESY LIGHT LH (OPERATION)
Temporarily replace the front door courtesy light LH with a new or normally functioning one Click here.
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 Click here |
| OK |
|
REPLACE FRONT DOOR COURTESY LIGHT LH Click here
PERFORM ACTIVE TEST USING GTS (DOOR COURTESY LIGHT)
Using the GTS, perform the Active Test.
| Tester Display | Test Part | Control Range |
|---|---|---|
| Courtesy Light | Courtesy light operation | OFF - ON |
| Tester Display | Test Part | Control Range |
|---|---|---|
| Courtesy Light | Courtesy light operation | OFF - ON |
| OK |
|---|
| Door courtesy light condition is switched by Active Test. |
| OK |
|
READ VALUE USING GTS (DOOR COURTESY LIGHT SWITCH) Click here |
| NG |
|
CHECK HARNESS AND CONNECTOR (FRONT DOOR COURTESY LIGHT RH - FRONT MULTIPLEX NETWORK DOOR ECU RH)
Disconnect the P4 ECU connector.
Disconnect the P5 light connector.
Measure the resistance according to the value(s) in the table below.
| Standard resistance | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
CHECK FRONT DOOR COURTESY LIGHT RH (OPERATION)
Temporarily replace the front door courtesy light RH with a new or normally functioning one Click here.
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 Click here |
| OK |
|
REPLACE FRONT DOOR COURTESY LIGHT RH Click here
PERFORM ACTIVE TEST USING GTS (DOOR COURTESY LIGHT)
Using the GTS, perform the Active Test.
| Tester Display | Test Part | Control Range |
|---|---|---|
| Courtesy Light | Courtesy light operation | OFF - ON |
| OK |
|---|
| Door courtesy light condition is switched by Active Test. |
| OK |
|
READ VALUE USING GTS (DOOR COURTESY LIGHT SWITCH) Click here |
| NG |
|
CHECK HARNESS AND CONNECTOR (REAR DOOR COURTESY LIGHT LH - REAR MULTIPLEX NETWORK DOOR ECU LH)
Disconnect the O15 ECU connector.
Disconnect the Q10 light connector.
Measure the resistance according to the value(s) in the table below.
| Standard resistance | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
REPLACE REAR MULTIPLEX NETWORK DOOR ECU LH Click here
CHECK REAR DOOR COURTESY LIGHT LH (OPERATION)
Temporarily replace the rear door courtesy light LH with a new or normally functioning one Click here.
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 Click here |
| OK |
|
REPLACE REAR COURTESY LIGHT LH Click here
PERFORM ACTIVE TEST USING GTS (DOOR COURTESY LIGHT)
Using the GTS, perform the Active Test.
| Tester Display | Test Part | Control Range |
|---|---|---|
| Courtesy Light | Courtesy light operation | OFF - ON |
| OK |
|---|
| Door courtesy light condition is switched by Active Test. |
| OK |
|
READ VALUE USING GTS (DOOR COURTESY LIGHT SWITCH) Click here |
| NG |
|
CHECK HARNESS AND CONNECTOR (REAR DOOR COURTESY LIGHT RH - REAR MULTIPLEX NETWORK DOOR ECU RH)
Disconnect the O2 ECU connector.
Disconnect the Q5 light connector.
Measure the resistance according to the value(s) in the table below.
| Standard resistance | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
CHECK REAR DOOR COURTESY LIGHT RH (OPERATION)
Temporarily replace the rear door courtesy light RH with a new or normally functioning one Click here.
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 Click here |
| OK |
|
REPLACE REAR DOOR COURTESY LIGHT RH Click here
READ VALUE USING GTS (DOOR COURTESY LIGHT SWITCH)
Using the GTS, read the Data List.
| 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 |
- |
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
|---|---|---|---|
| P Door Courtesy SW | Passenger side door courtesy switch signal/ON or OFF | ON: Passenger side door is open OFF: Passenger side door is closed |
- |
| OK |
|---|
| Switch condition (ON/OFF) can be switched by actual operation. |
| NG |
|
INSPECT FRONT DOOR COURTESY LIGHT SWITCH LH Click here |
| OK |
|
REPLACE MAIN BODY ECU
INSPECT FRONT DOOR COURTESY LIGHT SWITCH LH
Remove the front door courtesy light switch LH Click here.
Measure the resistance according to the value(s) in the table below.
| Standard resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPLACE FRONT DOOR COURTESY LIGHT SWITCH LH Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - FRONT DOOR COURTESY LIGHT SWITCH LH)
Disconnect the L13*1 or L12*2 ECU connector.
Tech Tips
*1: for LHD
*2: for RHD
Disconnect the S6 switch connector.
Measure the resistance according to the value(s) in the table below.
| Standard resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| for LHD | |||||||||
|
|||||||||
| for RHD | |||||||||
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
REPLACE MAIN BODY ECU
READ VALUE USING GTS (DOOR COURTESY LIGHT SWITCH)
Using the GTS, read the Data List.
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
|---|---|---|---|
| P Door Courtesy SW | Passenger side door courtesy switch signal/ON or OFF | ON: Passenger side door is open OFF: Passenger side door is closed |
- |
| 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 |
- |
| OK |
|---|
| Switch condition (ON/OFF) can be switched by actual operation. |
| NG |
|
INSPECT FRONT DOOR COURTESY LIGHT SWITCH RH Click here |
| OK |
|
REPLACE MAIN BODY ECU
INSPECT FRONT DOOR COURTESY LIGHT SWITCH RH
Remove the front door courtesy light switch RH Click here.
Measure the resistance according to the value(s) in the table below.
| Standard resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPLACE FRONT DOOR COURTESY LIGHT SWITCH RH Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - FRONT DOOR COURTESY LIGHT SWITCH RH)
Disconnect the L12*1 or L13*2 ECU connector.
Tech Tips
*1: for LHD
*2: for RHD
Disconnect the R6 switch connector.
Measure the resistance according to the value(s) in the table below.
| Standard resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| for LHD | |||||||||
|
|||||||||
| for RHD | |||||||||
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
REPLACE MAIN BODY ECU
READ VALUE USING GTS (DOOR COURTESY LIGHT SWITCH)
Using the GTS, read the Data List.
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
|---|---|---|---|
| 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 |
- |
| OK |
|---|
| Switch condition (ON/OFF) can be switched by actual operation. |
| NG |
|
INSPECT REAR DOOR COURTESY LIGHT SWITCH LH Click here |
| OK |
|
REPLACE MAIN BODY ECU
INSPECT REAR DOOR COURTESY LIGHT SWITCH LH
Remove the rear door courtesy light switch LH Click here.
Measure the resistance according to the value(s) in the table below.
| Standard resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPLACE REAR DOOR COURTESY LIGHT SWITCH LH Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - REAR DOOR COURTESY LIGHT SWITCH LH)
Disconnect the DD ECU connector.
Disconnect the S14 switch connector.
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
READ VALUE USING GTS (DOOR COURTESY LIGHT SWITCH)
Using the GTS, read the Data List.
| Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
|---|---|---|---|
| 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 |
- |
| OK |
|---|
| Switch condition (ON/OFF) can be switched by actual operation. |
| NG |
|
INSPECT REAR DOOR COURTESY LIGHT SWITCH RH Click here |
| OK |
|
REPLACE MAIN BODY ECU
INSPECT REAR DOOR COURTESY LIGHT SWITCH RH
Remove the rear door courtesy light switch RH Click here.
Measure the resistance according to the value(s) in the table below.
| Standard resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPLACE REAR DOOR COURTESY LIGHT SWITCH RH Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - REAR DOOR COURTESY LIGHT SWITCH RH)
Disconnect the L12 ECU connector.
Disconnect the R12 switch connector.
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