POWER WINDOW CONTROL SYSTEM Rear Power Window RH Auto Up / Down Function does not Operate with Rear Power Window Switch RH
| DTC Code | DTC Name |
|---|---|
| Rear Power Window RH Auto Up / Down Function does not Operate with Rear Power Window Switch RH |
DESCRIPTION
If the auto up/down function does not operate, the cause may be one or more of the following:
The ECU in the door window regulator determines that the door window regulator has not been initialized.
The rear power window regulator switch RH has a malfunction.
The Hall IC in the door window regulator has a malfunction.
There is an open or short in the wiring between the rear power window regulator switch RH and the door window regulator.
WIRING DIAGRAM
PROCEDURE
CHECK FOR DTC
Check for DTCs (Click here).
Table 1. Result: Result
Proceed to
DTC is not output
A
DTC B2311 is output
B
DTC B2312 is output
C
DTC B2313 is output
D
LIN communication system DTCs are output
E
CHECK MANUAL UP/DOWN FUNCTION (REAR DOOR WINDOW REGULATOR SWITCH ASSEMBLY RH)
Check that the manual up/down function using the rear power window regulator switch RH can operate the rear door power window RH (Click here).
OK
Manual up/down function operates.
READ VALUE USING INTELLIGENT TESTER (REAR DOOR WINDOW REGULATOR ASSEMBLY RH)
Use the Data List to check if the power window regulator is functioning properly (Click here).
Table 2. RR-Door Motor Tester Display
Measurement Item/Range
Normal Condition
Diagnostic Note
RR Door P/W Auto SW
Rear power window RH auto up/down signal / ON or OFF
ON: Rear power window RH auto up/down switch operated
OFF: Rear power window RH switch not operated
-
OK
Display changes according to operation of rear power window switch RH.
INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY RH
-
Remove the rear power window regulator switch RH (Click here).
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection
Switch Condition
Specified Condition
8 (AUTO) - 1 (GND)
Auto up/down operation
Below 1 Ω
1 (GND) - Body ground
Always
Below 1 Ω
-
CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY RH - REAR DOOR WINDOW REGULATOR ASSEMBLY RH)
-
Disconnect the L1 switch connector.
Disconnect the L3 regulator connector.
Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection
Condition
Specified Condition
L1-8 (AUTO) - L3-4 (AUTO)
Always
Below 1 Ω
L1-8 (AUTO) or L3-4 (AUTO) - Body ground
Always
10 kΩ or higher
Table 3. Text in Illustration *1
Front view of wire harness connector
(to Rear Power Window Regulator Switch RH)
*2
Front view of wire harness connector
(to Rear Door Window Regulator RH)
REPAIR OR REPLACE HARNESS OR CONNECTOR
-