锟斤拷 If greater than the specified range, test the signal circuit for a short to voltage. If the circuit tests normal, replace the HSM.
6. If all circuits test normal, replace the HSM.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
* Driver or Passenger Seat Cushion Heater Replacement (without HP2) ()Driver or Passenger Seat Cushion Heater Replacement (with HP2)
()
* Control Module References (See: Testing and Inspection/Programming and Relearning) for the HSM replacement, setup, and programming
B1935
DTC B1935 or B2180 (Dealer Installed)
Diagnostic Instructions
* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System
Check - Vehicle) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an
overview of the diagnostic approach.
* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure
Instructions) provides an overview of each diagnostic category.
DTC Descriptors
DTC B1935 04
- Left Seat Back Heater Circuit Open
DTC B1935 0A
- Left Seat Back Heater Circuit Rate of Change Below Threshold
DTC B1935 0B
- Left Seat Back Heater Circuit Current Above Threshold
DTC B1935 0C
- Left Seat Back Heater Circuit Current Below Threshold
DTC B1935 0D
- Left Seat Back Heater Circuit Resistance Above Threshold
DTC B1935 0E
- Left Seat Back Heater Circuit Resistance Below Threshold
DTC B1935 1F
- Left Seat Back Heater Circuit Intermittent
DTC B2180 04
- Right Seat Back Heater Circuit Open
DTC B2180 0A
- Right Seat Back Heater Circuit Rate of Change Below Threshold
DTC B2180 0B
- Right Seat Back Heater Circuit Current Above Threshold
DTC B2180 0C
- Right Seat Back Heater Circuit Current Below Threshold
DTC B2180 0D
- Right Seat Back Heater Circuit Resistance Above Threshold
DTC B2180 0E
- Right Seat Back Heater Circuit Resistance Below Threshold
DTC B2180 1F
- Right Seat Back Heater Circuit Intermittent
Diagnostic Fault Information
