DTC B2312: Power Window Switch Malfunction [05/2013 - 01/2014]: Procedure
- CHECK DTC
- Clear the DTC. Refer to DTC CHECK / CLEAR [05/2013 - ] .
- Check for DTC. Refer to DTC CHECK / CLEAR [05/2013 - ]
.
OK
DTC B2312 is not output.
NG → See step 2
OK → END (DTC WAS STORED DUE TO SWITCH BEING OPERATED FOR 20 SECONDS OR MORE)
- READ VALUE USING TECHSTREAM (D DOOR P/W UP SW, D DOOR P/W DOWN SW)
- Use the Data List to check if the power window regulator motor assembly LH is functioning properly. Refer to DATA LIST / ACTIVE TEST [05/2013 - ]
.D-DOOR MOTOR
Tester Display Measurement Item/Range Normal Condition Diagnostic Note D Door P/W Auto SW Driver side power window auto up/down signal / ON or OFF ON: Driver side power window auto up/down switch operated
OFF: Driver side power window switch not operated- D Door P/W Up SW Driver side power window manual up signal / ON or OFF ON: Driver side power window manual up switch operated
OFF: Driver side power window switch not operated- D Door P/W Down SW Driver side power window manual down signal / ON or OFF ON: Driver side power window manual down switch operated
OFF: Driver side power window switch not operated- OK
On Techstream screen, each item changes between ON and OFF according to above chart.
NG → See step 3
OK → See step 6
- Use the Data List to check if the power window regulator motor assembly LH is functioning properly. Refer to DATA LIST / ACTIVE TEST [05/2013 - ]
.
- CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY - POWER WINDOW REGULATOR MOTOR ASSEMBLY LH)
- Disconnect the E1 power window regulator master switch assembly connector.
- Disconnect the E2 power window regulator motor assembly LH connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition E1-18 (UP) - E2-10 (UP) Always Below 1 Ω E1-10 (DOWN) - E2-7 (DOWN) Always Below 1 Ω E1-1 (AUTO) - E2-4 (AUTO) Always Below 1 Ω E1-18 (UP) - Body ground Always 10 kΩ or higher E1-10 (DOWN) - Body ground Always 10 kΩ or higher E1-1 (AUTO) - Body ground Always 10 kΩ or higher
NG → REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: Go to next step
- INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY
- Remove the power window regulator master switch assembly. Refer to REMOVAL [05/2013 - ] .
- Inspect the power window regulator master switch assembly. Refer to INSPECTION [05/2013 - ] .
NG → See step 7
OK → See step 5
- REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY LH. Refer to REMOVAL [05/2013 - 01/2014]
- REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY LH. Refer to REMOVAL [05/2013 - 01/2014]
- REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY. Refer to REMOVAL [05/2013 - ]