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 inside handle light.
| Result | Proceed to |
|---|---|
| Front LH | A |
| Front RH | B |
| Rear LH | C |
| Rear RH | D |
| All | E |
| B |
|
PERFORM ACTIVE TEST USING GTS (INSIDE HANDLE ILLUMINATION) Click here |
| C |
|
PERFORM ACTIVE TEST USING GTS (INSIDE HANDLE ILLUMINATION) Click here |
| D |
|
PERFORM ACTIVE TEST USING GTS (INSIDE HANDLE ILLUMINATION) Click here |
| E |
|
REPLACE MAIN BODY ECU |
| A |
|
PERFORM ACTIVE TEST USING GTS (INSIDE HANDLE ILLUMINATION)
Using the GTS, read the Data List.
| Tester Display | Test Part | Control Range | Diagnostic Note |
|---|---|---|---|
| Inside Handle Illumination | Inside handle illumination operation | OFF / ON | - |
| Tester Display | Test Part | Control Range | Diagnostic Note |
|---|---|---|---|
| Inside Handle Illumination | Inside handle illumination operation | OFF / ON | - |
| OK |
|---|
| Inside handle illumination condition is switched by Active Test. |
| NG |
|
INSPECT FRONT INSIDE HANDLE ILLUMINATION LH Click here |
| OK |
|
REPLACE MAIN BODY ECU
INSPECT FRONT INSIDE HANDLE ILLUMINATION LH
Remove the front inside handle light LH Click here.
Apply auxiliary battery voltage to the inside handle illumination and check the illumination condition.
| OK | ||||
|---|---|---|---|---|
|
| NG |
|
REPLACE FRONT INSIDE HANDLE ILLUMINATION LH Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (FRONT DOOR ECU LH - FRONT INSIDE HANDLE ILLUMINATION LH)
Disconnect the P10 ECU connector.
Disconnect the P8 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 FRONT MULTIPLEX NETWORK DOOR ECU LH Click here
PERFORM ACTIVE TEST USING GTS (INSIDE HANDLE ILLUMINATION)
Using the GTS, perform the Active Test.
| Tester Display | Test Part | Control Range | Diagnostic Note |
|---|---|---|---|
| Inside Handle Illumination | Inside handle illumination operation | OFF / ON | - |
| Tester Display | Test Part | Control Range | Diagnostic Note |
|---|---|---|---|
| Inside Handle Illumination | Inside handle illumination operation | OFF / ON | - |
| OK |
|---|
| Inside handle illumination condition is switched by Active Test. |
| NG |
|
INSPECT FRONT INSIDE HANDLE ILLUMINATION RH Click here |
| OK |
|
REPLACE MAIN BODY ECU
INSPECT FRONT INSIDE HANDLE ILLUMINATION RH
Remove the front inside handle light RH Click here.
Apply auxiliary battery voltage to the inside handle illumination and check the illumination condition.
| OK | ||||
|---|---|---|---|---|
|
| NG |
|
REPLACE FRONT INSIDE HANDLE ILLUMINATION RH Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (FRONT DOOR ECU RH - FRONT INSIDE HANDLE ILLUMINATION RH)
Disconnect the P4 ECU connector.
Disconnect the P2 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 FRONT MULTIPLEX NETWORK DOOR ECU RH Click here
PERFORM ACTIVE TEST USING GTS (INSIDE HANDLE ILLUMINATION)
Using the GTS, perform the Active Test.
| Tester Display | Test Part | Control Range | Diagnostic Note |
|---|---|---|---|
| Inside Handle Illumination | Inside handle illumination operation | OFF / ON | - |
| OK |
|---|
| Inside handle illumination condition is switched by Active Test. |
| NG |
|
INSPECT REAR INSIDE HANDLE ILLUMINATION LH Click here |
| OK |
|
REPLACE MAIN BODY ECU
INSPECT REAR INSIDE HANDLE ILLUMINATION LH
Remove the rear inside handle light LH Click here.
Apply auxiliary battery voltage to the inside handle illumination and check the illumination condition.
| OK | ||||
|---|---|---|---|---|
|
| NG |
|
REPLACE REAR INSIDE HANDLE ILLUMINATION LH Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (REAR DOOR ECU LH - REAR INSIDE HANDLE ILLUMINATION LH)
Disconnect the O15 ECU connector.
Disconnect the Q6 light connector.
Measure the resistance according to the value(s) in the table below.
| Standard resistance | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | Proceed to |
|---|---|
| OK (for Standard Body) | A |
| OK (for Long Body) | B |
| NG | C |
| B |
|
REPLACE REAR MULTIPLEX NETWORK DOOR ECU LH Click here |
| C |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| A |
|
REPLACE REAR MULTIPLEX NETWORK DOOR ECU LH Click here
PERFORM ACTIVE TEST USING GTS (INSIDE HANDLE ILLUMINATION)
Using the GTS, perform the Active Test.
| Tester Display | Test Part | Control Range | Diagnostic Note |
|---|---|---|---|
| Inside Handle Illumination | Inside handle illumination operation | OFF / ON | - |
| OK |
|---|
| Inside handle illumination condition is switched by Active Test. |
| NG |
|
INSPECT REAR INSIDE HANDLE ILLUMINATION RH ASSEMBLY Click here |
| OK |
|
REPLACE MAIN BODY ECU
INSPECT REAR INSIDE HANDLE ILLUMINATION RH ASSEMBLY
Remove the rear inside handle light RH Click here.
Apply auxiliary battery voltage to the inside handle illumination and check the illumination condition.
| OK | ||||
|---|---|---|---|---|
|
| NG |
|
REPLACE REAR INSIDE HANDLE ILLUMINATION RH Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (REAR DOOR ECU RH - REAR INSIDE HANDLE ILLUMINATION RH)
Disconnect the O2 ECU connector.
Disconnect the Q1 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 RH Click here