DESCRIPTION
When the ignition switch is ON, the power window regulator master switch assembly sends remote up/down signals to each power window regulator motor assembly via the LIN communication line.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
The power window control system uses a multiplex communication system (LIN communication
system). Inspect the communication function by following How to Proceed with Troubleshooting
(See page ). Troubleshoot the power window control
system after confirming that the communication system is functioning properly.
PROCEDURE
1. |
READ VALUE USING TECHSTREAM (Main Body) |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Main Body / Data List.
(e) Read the Data List according to the display on the Techstream.
Main Body (Main Body ECU (Driver Side Junction Block Assembly))
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|
Communication P-Door Motor |
Connection status between power window regulator motor (for front passenger side) and main body ECU (driver side junction block assembly) / OK or STOP |
OK: Normal communication STOP: Communication stopped |
- |
Communication RL-Door Motor |
Connection status between power window regulator motor (for rear LH) and main body ECU (driver side junction block assembly) / OK or STOP |
OK: Normal communication STOP: Communication stopped |
- |
Communication RR-Door Motor |
Connection status between power window regulator motor (for rear RH) and main body ECU (driver side junction block assembly) / OK or STOP |
OK: Normal communication STOP: Communication stopped |
- |
Communication Master SW |
Connection status between power window master switch and main body ECU (driver side junction block assembly) / OK or STOP |
OK: Normal communication STOP: Communication stopped |
- |
OK:
On the Techstream screen, OK is displayed.
NG | ![]() |
GO TO LIN COMMUNICATION SYSTEM (Proceed to How to Proceed with Troubleshooting) |
|
2. |
READ VALUE USING TECHSTREAM (Master Switch) |
(a) Enter the following menus: Body Electrical / Master Switch / Data List.
(b) Read the Data List according to the display on the Techstream.
Master Switch (Power Window Regulator Master Switch Assembly)
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|
P Door P/W Auto SW |
Front passenger side power window auto up/down switch signal / ON or OFF |
ON: Front passenger door power window auto switch operated OFF: Front passenger door power window auto switch not operated |
- |
RL Door P/W Auto SW |
Rear LH side power window auto up/down switch signal / ON or OFF |
ON: Rear LH power window auto switch operated OFF: Rear LH power window auto switch not operated |
- |
RR Door P/W Auto SW |
Rear RH side power window auto up/down switch signal / ON or OFF |
ON: Rear RH power window auto switch operated OFF: Rear RH power window auto switch not operated |
- |
P Door P/W Up SW |
Front passenger side power window manual up switch signal / ON or OFF |
ON: Front passenger door power window manual up switch operated OFF: Front passenger door power window manual up switch not operated |
- |
RL Door P/W Up Switch |
Rear LH side power window manual up switch signal / ON or OFF |
ON: Rear LH power window manual up switch operated OFF: Rear LH power window manual up switch not operated |
- |
RR Door P/W Up Switch |
Rear RH side power window manual up switch signal / ON or OFF |
ON: Rear RH power window manual up switch operated OFF: Rear RH power window manual up switch not operated |
- |
P Door P/W Down SW |
Front passenger side power window manual down switch signal / ON or OFF |
ON: Front passenger door power window manual down switch operated OFF: Front passenger door power window manual down switch not operated |
- |
RL Door P/W Down SW |
Rear LH side power window manual down switch signal / ON or OFF |
ON: Rear LH power window manual down switch operated OFF: Rear LH power window manual down switch not operated |
- |
RR Door P/W Down SW |
Rear RH side power window manual down switch signal / ON or OFF |
ON: Rear RH power window manual down switch operated OFF: Rear RH power window manual down switch not operated |
- |
Window Lock Switch Status |
Window lock switch signal / ON or OFF |
ON: Window lock switch LOCK position OFF: Window lock switch UNLOCK position |
- |
OK:
On the Techstream screen, ON or OFF is displayed accordingly.
Result |
Proceed to |
---|---|
NG |
A |
OK (Front passenger side power window remote up/down function does not operate) |
B |
OK (Rear LH side power window remote up/down function does not operate) |
C |
OK (Rear RH side power window remote up/down function does not operate) |
D |
A | ![]() |
REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY |
B | ![]() |
REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Front Passenger Side) |
C | ![]() |
REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear LH Side) |
D | ![]() |
REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear RH Side) |
Starter Signal Circuit
DESCRIPTION
1. w/o Smart Key System
While the engine is being cranked, current flows from terminal ST1 of the ignition
switch assembly to the park/neutral position switch assembly and also flows to terminal
STA of the ECM (STA Signal).
2. w/ Smart Key S ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" ...
Regulations on the use of tire chains
• Regulations regarding the use of tire chains vary according to location and
type of road. Always check local regulations before installing chains.
• Retighten the chains after driving 1/4 - 1/2 mile (0.5 - 1.0 km).
- Tire chains
Observe the fo ...