WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
READ VALUE USING INTELLIGENT TESTER (DOOR COURTESY SWITCH)
Using the intelligent tester, read the Data List.
| Tester Display | Test Part | Control Range | Diagnostic Note |
|---|---|---|---|
| D Door Courtesy SW | Front door courtesy light switch LH signal/ON or OFF | ON: Front Door LH open OFF: Front Door LH closed |
- |
| P Door Courtesy SW | Front door courtesy light switch RH signal/ON or OFF | ON: Front Door RH open OFF: Front Door RH closed |
- |
| RL Door Courtesy SW | Rear door courtesy light switch LH signal/ON or OFF | ON: Rear Door LH open OFF: Rear Door LH closed |
- |
| RR Door Courtesy SW | Rear door courtesy light switch RH signal/ON or OFF | ON: Rear Door RH open OFF: Rear Door RH closed |
- |
| OK |
|---|
| On the intelligent tester screen, each item changes between ON and OFF according to above chart. |
| Result | Proceed to |
|---|---|
| OK | A |
| NG (D Door Courtesy SW) | B |
| NG (P Door Courtesy SW) | C |
| NG (RL Door Courtesy SW) | D |
| NG (RR Door Courtesy SW) | E |
| B |
|
INSPECT FRONT DOOR COURTESY LIGHT SWITCH LH Click here |
| C |
|
INSPECT FRONT DOOR COURTESY LIGHT SWITCH RH Click here |
| D |
|
INSPECT REAR DOOR COURTESY LIGHT SWITCH LH Click here |
| E |
|
INSPECT REAR DOOR COURTESY LIGHT SWITCH RH Click here |
| A |
|
PERFORM ACTIVE TEST USING INTELLIGENT TESTER (FRONT INTERIOR FOOT LIGHT)
Using the intelligent tester, perform the Active Test.
| Tester Display | Test Part | Control Range | Diagnostic Note |
|---|---|---|---|
| Step Light Operation | Interior foot light illumination light operation | OFF/ON | - |
| OK |
|---|
| Front interior foot light condition can be switched by Active Test. |
| NG |
|
CONFIRM LIGHT POSITION Click here |
| OK |
|
REPLACE MAIN BODY ECU
CONFIRM LIGHT POSITION
Check the malfunctioning interior illumination light.
| Result | Proceed to |
|---|---|
| Front interior foot light LH | A |
| Front interior foot light RH | B |
| Rear interior foot light LH | C |
| Rear interior foot light RH | D |
| All lights do not illuminate | E |
| B |
|
CHECK HARNESS AND CONNECTOR (FRONT INTERIOR FOOT LIGHT RH - BATTERY) Click here |
| C |
|
CHECK HARNESS AND CONNECTOR (REAR INTERIOR FOOT LIGHT LH - BATTERY) Click here |
| D |
|
CHECK HARNESS AND CONNECTOR (REAR INTERIOR FOOT LIGHT RH - BATTERY) Click here |
| E |
|
REPLACE MAIN BODY ECU |
| A |
|
CHECK HARNESS AND CONNECTOR (FRONT INTERIOR FOOT LIGHT LH - BATTERY)
Disconnect the E81 light connector.
Measure the voltage according to the value(s) in the table below.
| Standard Voltage | ||||||
|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
INSPECT NO. 1 INTERIOR ILLUMINATION LIGHT LH (FRONT INTERIOR FOOT LIGHT LH)
Remove the front interior foot light LH Click here.
Apply battery voltage to the front interior foot light and check the light condition.
| OK | ||||
|---|---|---|---|---|
|
| NG |
|
REPLACE NO. 1 INTERIOR ILLUMINATION LIGHT LH (FRONT INTERIOR FOOT LIGHT LH) Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - FRONT INTERIOR FOOT LIGHT LH)
Disconnect the E3 ECU connector.
Disconnect the E81 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 MAIN BODY ECU
CHECK HARNESS AND CONNECTOR (FRONT INTERIOR FOOT LIGHT RH - BATTERY)
Disconnect the E88 light connector.
Measure the voltage according to the value(s) in the table below.
| Standard Voltage | ||||||
|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
INSPECT NO. 1 INTERIOR ILLUMINATION LIGHT RH (FRONT INTERIOR FOOT RH)
Remove the front interior foot light RH Click here.
Apply battery voltage to the front interior foot light and check the light condition.
| OK | ||||
|---|---|---|---|---|
|
| NG |
|
REPLACE NO. 1 INTERIOR ILLUMINATION LIGHT RH (FRONT INTERIOR FOOT LIGHT RH) Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - FRONT INTERIOR FOOT LIGHT RH)
Disconnect the E3 ECU connector.
Disconnect the E88 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 MAIN BODY ECU
CHECK HARNESS AND CONNECTOR (REAR INTERIOR FOOT LIGHT LH - BATTERY)
Disconnect the c32 light connector.
Measure the voltage according to the value(s) in the table below.
| Standard Voltage | ||||||
|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
INSPECT INTERIOR ILLUMINATION LIGHT LH (REAR INTERIOR FOOT LIGHT LH)
Remove the rear interior foot light LH Click here.
Apply battery voltage to the rear interior foot light and check the light condition.
| OK | ||||
|---|---|---|---|---|
|
| NG |
|
REPLACE INTERIOR ILLUMINATION LIGHT LH (REAR INTERIOR FOOT LIGHT LH) Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - REAR INTERIOR ILLUMINATION LIGHT LH)
Disconnect the E3 ECU connector.
Disconnect the c32 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 MAIN BODY ECU
CHECK HARNESS AND CONNECTOR (REAR INTERIOR FOOT LIGHT RH - BATTERY)
Remove the c44 ECU connector.
Measure the voltage according to the value(s) in the table below.
| Standard Voltage | ||||||
|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
INSPECT INTERIOR ILLUMINATION LIGHT RH (REAR INTERIOR FOOT LIGHT RH)
Remove the rear interior foot light RH Click here.
Apply battery voltage to the rear interior foot light and check the light condition.
| OK | ||||
|---|---|---|---|---|
|
| NG |
|
REPLACE INTERIOR ILLUMINATION LIGHT RH (REAR INTERIOR FOOT LIGHT RH) Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - REAR INTERIOR FOOT LIGHT RH)
Disconnect the E3 ECU connector.
Disconnect the c44 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 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 (FRONT DOOR COURTESY LIGHT SWITCH LH - MAIN BODY ECU AND BODY GROUND)
Disconnect the K2 switch connector.
Disconnect the E1 ECU 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
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 (FRONT DOOR COURTESY LIGHT SWITCH RH - MAIN BODY ECU AND BODY GROUND)
Disconnect the L1 switch connector.
Disconnect the E2 ECU 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
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 (REAR DOOR COURTESY LIGHT SWITCH LH - MAIN BODY ECU AND BODY GROUND)
Disconnect the K3 switch connector.
Disconnect the 2C ECU 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
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 (REAR DOOR COURTESY LIGHT SWITCH RH - MAIN BODY ECU AND BODY GROUND)
Disconnect the L2 switch connector.
Disconnect the E2 ECU 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