B1E3E

B1E3E - 3rd Row Seat Fold/Tailgate 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 fold/tailgate switch MUX circuit for longer than 300 milliseconds.






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 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 Fold/Tailgate Switch MUX Circuit Voltage






• Disconnect the power folding seat switch connector.

• Measure the voltage between the fold/tailgate switch MUX circuit and the folding seat switch return circuit at the power folding seat switch connector.

Choose result:

Over 5.0 volts

• Go to Test Step 3 => [ Test Step 3 - Check the Folding Seat Select Switch MUX Circuit for
a Short to Voltage ]

4.9 volts + or - 0.1 volt

• Replace the power folding seat switch.

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

Test Step 3 - Check the Fold/Tailgate Switch MUX Circuit for a Short to Voltage






• Disconnect the C392 seat in - line 12 way harness connector.

• Measure the voltage between the fold/tailgate switch MUX circuit and ground.

Is any voltage present?

Yes

• Repair the fold/tailgate switch MUX circuit for a short to voltage.

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

No

• Gain access to and check the fold/tailgate 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