B1E2F

B1E2F - 3rd Row Seat Left Backrest Switch Circuit High






For a complete wiring diagram, refer to.

• When Monitored: Continuously.

• Set Condition: When the power folding seat senses voltage over 4.9 volts on the left seat recliner switch MUX circuit for longer than 300 milliseconds, this code will set.






Test Step 1 - DTC present

• With the scan tool, record and then erase DTCs.

• Turn the ignition OFF, wait 10 seconds, then turn the ignition ON.

• Operate the seat recliner switch several times.

• With the scan tool, read DTCs.

Does the scan tool display this DTC as active?

Yes

• Go to Test Step 2 => [ Test
Step 2 - Check the folding seat select switch MUX circuit voltage ]

No

• Using the wiring diagram/schematic as a guide, inspect the wiring and connectors for an intermittent condition.

• Perform Power Folding Seat System Verification Test. Refer to => Non - DTC Based Diagnostics. Power Folding Seat System Verification Test

Test Step 2 - Check the Left Seat Recliner Switch MUX Circuit Voltage






• Disconnect the left power rear folding seat recliner switch connector.

• Measure the voltage between the left seat recliner switch MUX circuit and the seat recliner switch return circuit at the power folding seat switch connector.

Choose result:

Over 4.9 volts

• Gain access to and check the left seat recliner switch MUX wire in the seat harness for a short to another circuit. If OK, replace the power rear folding seat module.

• Perform Power Folding Seat System Verification Test. Refer to => Non - DTC Based Diagnostics. Power Folding Seat System Verification Test

4.9 volts

• Replace the left power rear folding seat recliner switch.

• Perform Power Folding Seat System Verification Test. Refer to => Non - DTC Based Diagnostics. Power Folding Seat System Verification Test