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B1084

B1084-LEFT HEATED SEAT SWITCH INPUT CIRCUIT/PERFORMANCE


B1084-Left Heated Seat Switch Input Circuit/performance:




WHEN MONITORED
Ignition on, during the heated seat operation.

SET CONDITION
This code is set after the Cluster detects the heated seat switch sense circuit low for a predetermined amount of time.

POSSIBLE CAUSES
- (P365) Left heated seat switch sense shorted to ground
- Left heated seat switch
- Cluster

DIAGNOSTIC TEST

1. VERIFY THAT DTC B1084-LEFT HEATED SEAT SWITCH INPUT CIRCUIT/ PERFORMANCE IS ACTIVE




With the scan tool, record and erase DTC's
Operate the Heated Seat Switch in both positions several times.
With the scan tool, read DTC's.

Q: Is the DTC B1084 LEFT HEATED SEAT SWITCH INPUT CIRCUIT/ PERFORMANCE active?

YES: Go To 2
NO: The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

2. DISCONNECT THE LEFT HEATED SEAT SWITCH CONNECTOR AND CHECK SWITCH STATUS




Turn the ignition switch off.
Disconnect the Left Heated Seat Switch connector.

NOTE: Check connectors - Clean and repair as necessary.

Turn the ignition on.
With the scan tool in CCN Inputs/Outputs, read the Left Heated Seat state.

Q: Does the switch state display Not Set?

YES: Replace the Left Heated Seat Switch. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Go To 3

3. CHECK THE (P365) LEFT HEATED SEAT SWITCH SENSE CIRCUIT FOR A SHORT TO GROUND




Turn the ignition switch off.
Disconnect the Cluster C3 connector.
Measure the resistance between ground and the (P365) Left Heated Seat Switch sense circuit.

Q: Was the resistance below 5.0 ohms?

YES: Repair the (P365) Left Heated Seat Switch sense circuit for a short to ground Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Replace the Cluster. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test