| Last Modified: 6-7-2017 | 6.8:8.0.40 | Doc ID: RM000001B6Q001X |
| Model Year Start: 2006 | Model: Land Cruiser | Prod Date Range: [05/2005 - ] |
| Title: WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL SYSTEM: Power Source Circuit; 2006 MY Land Cruiser [05/2005 - ] | ||
|
Power Source Circuit |
DESCRIPTION
This circuit supplies power to operate the power window master switch assembly.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
|
1. |
INSPECT FUSE (ECU-IG1, AM1, P/W (FL)) |
(a) Check continuity of ECU-IG1, AM1 and P/W (FL) fuses.
OK:
Continuity
| NG |
|
|
|
2. |
CHECK POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY (BATTERY VOLTAGE) |
(a) Turn the ignition switch OFF.
(b) Measure the voltage between terminals CPUB, SIG, BDR and GND.
Standard voltage:
|
Terminal Name |
Condition |
Specified Condition |
|---|---|---|
|
CPUB |
Always |
10 to 14 V |
|
BDR |
Always |
10 to 14 V |
|
SIG |
Ignition switch ON |
10 to 14 V |
|
GND |
Always |
Below 1 V |
| NG |
|
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE |
|
|
3. |
CHECK WIRE HARNESS (POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY - BODY GROUND) |
(a)
Refer to inspection
![2006 MY Land Cruiser [05/2005 - ]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: ELECTRONIC CIRCUIT INSPECTION PROCEDURE](../../../../stylegraphics/info.gif "2006 MY Land Cruiser [05/2005 - ]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: ELECTRONIC CIRCUIT INSPECTION PROCEDURE")
.
| NG |
|
| OK |
|
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE |
|
|