Pinpoint Test W : DTC B103C: Notes

WARNING: This page is about a different car, the 2015 Lincoln MKS. However, it is still accessible from the selected car via links, so may be relevant.

Pinpoint Test W: DTC B103C

Refer to Wiring Diagrams Climate Controlled Seats , for schematic and connector information.

Normal Operation

The Dual Climate Controlled Seat Module (DCSM) monitors the Thermo-Electric Device (TED) circuits. If an open on any of these circuits is detected, the DTC will be set.

DTC B103C (Thermo-Electric Driver Open Load) - If DCSM outputs to the driver seat backrest or cushion TED (circuit pins G, H, J or K at the DCSM connector) or any components within these circuit loops are open, disconnected or a TED resistance greater than 90, 000 ohms is sensed, the DCSM continues normal operation and sets this DTC.

This pinpoint test is intended to diagnose the following:

Wiring, terminals or connectors
TED assembly
DCSM