| Last Modified: 11-27-2007 | 1.6 J | |
| Service Category: Vehicle Exterior | Section: Lighting (ext) | |
| Model Year: 2008 | Model: LX570 | Doc ID: RM000001OCP00FX |
| Title: LIGHTING (EXT): LIGHTING SYSTEM: DESCRIPTION (2008 LX570) | ||
|
Back-up Light does not Illuminate |
DESCRIPTION
The park/neutral position switch turns on when the shift lever is moved to R, causing the back-up lights to illuminate.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
|
1. |
INSPECT PARK/NEUTRAL POSITION SWITCH |
|
(a) Remove the park/neutral position switch
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Connection |
|---|---|---|
|
2 (RB) - 1 (RL) |
Shift lever in R |
Below 1 Ω |
|
2 (RB) - 1 (RL) |
Shift lever not in R |
10 kΩ or higher |
|
|
2. |
CHECK HARNESS AND CONNECTOR (PARK/NEUTRAL POSITION SWITCH - BATTERY) |
|
(a) Disconnect the C19 switch connector. |
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
C19-2 (RB) - Body ground |
Engine switch on (IG) |
11 to 14 V |
|
|
3. |
CHECK HARNESS AND CONNECTOR (BACK-UP LIGHT - PARK/NEUTRAL POSITION SWITCH AND BODY GROUND) |
|
(a) Disconnect the C19 switch connector. |
(b) Disconnect the f4 and f5 light connectors.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
for LH
for LH
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
C19-1 (RL) - f5-1 |
Always |
Below 1 Ω |
|
f5-2 - Body ground |
||
|
f5-1 - Body ground |
Always |
10 kΩ or higher |
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
C19-1 (RL) - f4-1 |
Always |
Below 1 Ω |
|
f4-2 - Body ground |
||
|
f4-1 - Body ground |
Always |
10 kΩ or higher |
|
|
|