| Last Modified: 11-27-2007 | 1.6 J | |
| Service Category: Vehicle Exterior | Section: Lighting (ext) | |
| Model Year: 2008 | Model: LX570 | Doc ID: RM000002T2T007X |
| Title: LIGHTING (EXT): LIGHTING SYSTEM: WIRING DIAGRAM (2008 LX570) | ||
|
Door Mirror Foot 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. |
READ VALUE USING TECHSTREAM (DOOR COURTESY LIGHT SWITCH) |
(a) Using the Techstream, read the Data List.
Main Body
|
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 opened OFF: Front Door LH closed |
- |
|
P Door Courtesy SW |
Front door courtesy light switch RH signal/ON or OFF |
ON: Front Door RH opened OFF: Front Door RH closed |
- |
|
RL Door Courtesy SW |
Rear door courtesy light switch LH signal/ON or OFF |
ON: Rear Door LH opened OFF: Rear Door LH closed |
- |
|
RR Door Courtesy SW |
Rear door courtesy light switch RH signal/ON or OFF |
ON: Rear Door RH opened OFF: Rear Door RH closed |
- |
Result
|
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 |
|
|
2. |
CONFIRM LIGHT POSITION |
(a) Check the malfunctioning door mirror foot light.
Result
|
Result |
Proceed to |
|---|---|
|
Front LH |
A |
|
Front RH |
B |
|
|
3. |
PERFORM ACTIVE TEST USING TECHSTREAM (DOOR MIRROR FOOT LIGHT) |
(a) Using the Techstream, perform the Active Test.
Mirror
|
Tester Display |
Test Part |
Control Range |
Diagnostic Note |
|---|---|---|---|
|
Foot Light |
Door mirror foot light illumination |
OFF/ON |
- |
OK:
Door mirror foot light (for driver side) condition is switched by Active Test.
|
|
4. |
CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR LH - OUTER MIRROR CONTROL ECU) |
|
(a) Disconnect the I18 ECU connector. |
(b) Disconnect the I15 mirror connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
I18-17 (LP) - I15-14 (MLP) |
Always |
Below 1 Ω |
|
I18-17 (LP) - Body ground |
Always |
10 kΩ or higher |
|
|
5. |
CHECK OUTER MIRROR CONTROL ECU |
(a) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
I18-17 (LP) - Body ground |
Engine switch off and all doors closed and locked, unlock door. |
9 to 14 V |
|
|
6. |
PERFORM ACTIVE TEST USING TECHSTREAM (DOOR MIRROR FOOT LIGHT) |
(a) Using the Techstream, perform the Active Test.
Mirror
|
Tester Display |
Test Part |
Control Range |
Diagnostic Note |
|---|---|---|---|
|
Foot Light |
Door mirror foot light illumination |
OFF/ON |
- |
OK:
Door mirror foot light (for front passenger side) condition is switched by Active Test.
|
|
7. |
CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR RH - OUTER MIRROR CONTROL ECU) |
|
(a) Disconnect the I18 ECU connector. |
(b) Disconnect the I7 mirror connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
I18-37 (LP) - I7-14 (MLP) |
Always |
Below 1 Ω |
|
I18-37 (LP) - Body ground |
Always |
10 kΩ or higher |
|
|
8. |
CHECK OUTER MIRROR CONTROL ECU |
(a) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
I18-37 (LP) - Body ground |
Engine switch off and all doors closed and locked, unlock door. |
9 to 14 V |
|
|
17. |
INSPECT FRONT DOOR COURTESY LIGHT SWITCH LH |
|
(a) Remove the front door courtesy light switch LH
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
1 - Body ground |
Not pushed |
Below 1 Ω |
|
Pushed |
10 kΩ or higher |
|
|
18. |
CHECK HARNESS AND CONNECTOR (FRONT DOOR COURTESY LIGHT SWITCH LH - MAIN BODY ECU AND BODY GROUND) |
(a) Disconnect the K2 switch connector.
(b) Disconnect the E1 ECU connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
K2-1 - E1-24 (DCTY) |
Always |
Below 1 Ω |
|
K2-1 - Body ground |
Always |
10 kΩ or higher |
|
|
19. |
INSPECT FRONT DOOR COURTESY LIGHT SWITCH RH |
|
(a) Remove the front door courtesy light switch RH
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
1 - Body ground |
Not pushed |
Below 1 Ω |
|
Pushed |
10 kΩ or higher |
|
|
20. |
CHECK HARNESS AND CONNECTOR (FRONT DOOR COURTESY LIGHT SWITCH RH - MAIN BODY ECU AND BODY GROUND) |
(a) Disconnect the L1 switch connector.
(b) Disconnect the E2 ECU connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
L1-1 - E2-21 (PCTY) |
Always |
Below 1 Ω |
|
L1-1 - Body ground |
Always |
10 kΩ or higher |
|
|
21. |
INSPECT REAR DOOR COURTESY LIGHT SWITCH LH |
|
(a) Remove the rear door courtesy light switch LH
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
1 - Body ground |
Not pushed |
Below 1 Ω |
|
Pushed |
10 kΩ or higher |
|
|
22. |
CHECK HARNESS AND CONNECTOR (REAR DOOR COURTESY LIGHT SWITCH LH - MAIN BODY ECU AND BODY GROUND) |
(a) Disconnect the K3 switch connector.
(b) Disconnect the 2C ECU connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
K3-1 - 2C-2 (LCTY) |
Always |
Below 1 Ω |
|
K3-1 - Body ground |
Always |
10 kΩ or higher |
|
|
23. |
INSPECT REAR DOOR COURTESY LIGHT SWITCH RH |
|
(a) Remove the rear door courtesy light switch RH
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
1 - Body ground |
Not pushed |
Below 1 Ω |
|
Pushed |
10 kΩ or higher |
|
|
24. |
CHECK HARNESS AND CONNECTOR (REAR DOOR COURTESY LIGHT SWITCH RH - MAIN BODY ECU AND BODY GROUND) |
(a) Disconnect the L2 switch connector.
(b) Disconnect the E2 ECU connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
L2-1 - E2-7 (RCTY) |
Always |
Below 1 Ω |
|
L2-1 - Body ground |
Always |
10 kΩ or higher |
|
|
|