B1D4D

B1D4D-MEMORY SWITCH INPUT CIRCUIT STUCK







- When Monitored:
When Memory operation is requested.

- Set Condition:
If the Driver Door Module detects that the Memory Switch is stuck in the set position for more than 30 seconds.





1. TEST FOR INTERMITTENT CONDITION
1. With the scan tool, record and erase the DTCs.
2. Press the Memory Set Switch several times in all positions.
3. Cycle the ignition from on to off three times.
4. Turn the ignition on.
5. With the scan tool, read the DTCs.

Does the scan tool display: B1D4D-MEMORY SWITCH INPUT CIRCUIT STUCK?

Yes

- Go To 2

No

- Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals and poor pin fit.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

2. MEMORY SELECTOR SWITCH SHORTED TO GROUND




1. With the scan tool, erase the DTCs.
2. Disconnect the Memory Set Switch connector.
3. Turn the ignition on.
4. With the scan tool, read the active DTCs.

Does the scan tool display: B1D4D-MEMORY SWITCH INPUT CIRCUIT STUCK as Active?

No

- Replace the Memory Set Switch.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

Yes

- Go To 3

3. (G200) MEMORY SELECT SWITCH MUX CIRCUIT SHORT TO THE GROUND




1. Disconnect the Driver Door Module C5 harness connector.
2. Measure the resistance between ground and the (G200) Memory Select Switch Mux circuit.

Is the resistance below 10,000 Ohms?

Yes

- Repair the Memory Select Switch Mux wire for a short to ground.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Go To 4

4. (G200) MEMORY SELECT SWITCH MUX CIRCUIT SHORT TO THE (G920) MEMORY SELECT SWITCH RETURN CIRCUIT




1. Measure the resistance between the (G200) Memory Select Switch Mux circuit and the (G920) Memory Select Switch Return circuit in the Driver Door Module C5 connector.

Is the resistance below 10,000 Ohms?

Yes

- Repair the (G200) Memory Select Switch Mux circuit for a short to the (G920) Memory Select Switch return circuit.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Replace the Driver Door Module.
- Perform the BODY VERIFICATION TEST. Body Verification Test.