B1E34

B1E34 - 3rd Row Seat Right Backrest Switch Circuit Low






For a complete wiring diagram, refer to.

• When Monitored: Continuously.

• Set Condition: When the folding seat module detects the right seat recliner switch MUX circuit voltage is below.9 volts.






Test Step 1 - Test For Intermittent Condition

• Turn the ignition ON.

• With the scan tool, erase all DTCs.

• Operate the folding seat recliner switch several times.

• With the scan tool, read DTCs.

Does the scan tool display this DTC?

Yes

• Go to Test Step 2 => [ Test
Step 2 - Power Folding Seat Switch Shorted to Ground ]

No

• The condition that caused this symptom is currently not present. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Repair as necessary.

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

Test Step 2 - Power Folding Seat Switch Shorted to Ground

• With the scan tool, erase all DTCs.

• Disconnect the right power rear folding seat recliner switch harness connector.

• Turn the ignition ON.

• With the scan tool, read DTCs.

Does the scan tool display this DTC?

Yes

• Go to Test Step 3 => [ Test
Step 3 - Right Seat Recliner Switch MUX Circuit Short to Seat Recliner
Switch Return ]

No

• Replace the right 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

Test Step 3 - Right Seat Recliner Switch MUX Circuit Short to Seat Recliner Switch Return






• Turn the ignition OFF.

• Disconnect the power rear folding seat module C6 harness connector.

• Measure the resistance between the right seat recliner switch MUX and the seat recliner switch return circuit at the switch connector.

Is the resistance above 10k ohms?

Yes

• Go to Test Step 4 => [ Test
Step 4 - P280 Left Seat Recliner Switch MUX Circuit Short to Ground ]

No

• Repair the right seat recliner switch MUX circuit for a short to the seat recliner switch return circuit.

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

Test Step 4 - P280 Left Seat Recliner Switch MUX Circuit Short to Ground






• the ignition is Off.

• Measure the resistance between ground and the right seat recliner switch MUX circuit at the switch connector.

Is the resistance above 10k ohms?

Yes

• 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

No

• Repair the right seat recliner switch MUX circuit for a short to ground.

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