DESCRIPTION
If the manual up and down functions operate normally but the auto up and down functions do not, the power window control system may be in fail-safe mode.
If power window initialization has not been performed, the auto up and down functions will not operate.
WIRING DIAGRAM
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CAUTION / NOTICE / HINT
NOTICE:
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HINT:
If the pulse sensor built into the power window regulator motor assembly (for rear RH door) is malfunctioning, the power window control system will enter fail-safe mode. The remote up and down and auto up and down functions cannot be operated during fail-safe mode. However, the power window can be closed by holding the rear power window regulator switch assembly (for rear RH door) at the auto up position, and opened manually by pushing down the rear power window regulator switch assembly (for rear RH door).
PROCEDURE
1. |
READ VALUE USING GTS |
(a) Read the Data List according to the display on the GTS.
Body Electrical > Main Body > Data List
Tester Display | Measurement Item |
Range | Normal Condition |
Diagnostic Note |
---|---|---|---|---|
RR Door Power Window AUTO Switch |
Rear RH door power window auto switch |
OFF or ON | OFF: Manual down switch not being operated ON: Manual down switch being operated |
- |
Tester Display |
---|
RR Door Power Window AUTO Switch |
OK:
On the GTS screen, ON or OFF is displayed accordingly.
NG | ![]() | GO TO STEP 4 |
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2. |
PERFORM INITIALIZATION |
(a) Initialize the power window regulator motor assembly (for rear RH door).
Click here
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3. |
CHECK POWER WINDOW CONTROL SYSTEM (AUTO UP / DOWN FUNCTION) |
(a) Check that the rear RH door power window moves when the auto up and down functions of the rear power window regulator switch assembly (for rear RH door) are operated.
Click here
OK:
Rear RH door auto up and down functions are normal.
OK | ![]() | END (PROBLEM DUE TO INITIALIZATION FAILURE) |
NG | ![]() | REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear RH Door) |
4. |
INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Rear RH Door) |
Click here
NG | ![]() | REPLACE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Rear RH Door) |
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5. |
CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY - POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear RH Door)) |
(a) Disconnect the M3 power window regulator motor assembly (for rear RH door) connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition |
Specified Condition |
---|---|---|
M2-8 (AUTO) - M3-4 (AUTO) |
Always | Below 1 Ω |
M2-8 (AUTO) or M3-4 (AUTO) - Body ground |
Always | 10 kΩ or higher |
NG | ![]() | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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6. |
CHECK POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear RH Door) |
(a) Connect the M3 power window regulator motor assembly (for rear RH door) connector.
(b) Measure the voltage according to the value(s) in the table below. Standard Voltage:
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OK | ![]() | REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) for RHD: Click here |
NG | ![]() | REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear RH Door) |