Inspection Procedure – M2 Chassis Module

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Inspection Procedure – M2 Chassis Module

1. Secure the vehicle.
2. Use compressed air to clean the outside of the Chassis Module to remove all loose dirt.
3. Remove the Chassis Module per Workshop Manual 54.13.100 (included as Appendix A).
4. Locate connection port C4 on the Chassis Module (Figure 1).
5. Inspect all pins for signs of heat damage. Please pay particular attention to Pin P & Pin J (Figure 2) as they are the 30 amps power feed. If any sign of heat damage exists, replace the Chassis Module and retain the failed part, along with the vehicle’s serial number (last six of the VIN).
6. Locate connection port C3 on the Chassis Module (Figure 1).
7. Inspect all pins for sign of heat damage. Please pay particular attention to Pin J & Pin S (Figure 2) as they are the 30 amps power feed. If any signs of heat damage exists, replace the Chassis Module and retain the failed part, along with the vehicle’s serial number (last six of the VIN).
8. Locate the connectors to connection port C3 and C4. Inspect for heat damage. If any sign of heat damage exists, replace the connector with part number : 23-13144-006 ( C3 ), or 23-13144-007 (C4); terminal part number 23-13212-121. Replace the Chassis Module and retain all parts, along with the vehicle’s serial number.
   
   
   
   
   

CHM replacement

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