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B1E29






B1E29 - 3rd Row Seat Normal/Stow 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 normal/stow 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 folding 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 Normal/Stow Switch MUX Circuit Voltage






Disconnect the power folding seat switch connector.

Measure the voltage between the normal/stow 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 Normal/Stow Switch MUX Circuit for a Short
to Voltage ]

5.0 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 Normal/Stow Switch MUX Circuit for a Short to Voltage






Disconnect the power rear folding seat C392 in - line harness 12 - way connector.

Measure the voltage between the normal/stow switch MUX circuit and ground.

Is any voltage present?

Yes

Repair the normal/stow 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 normal/stow 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