Pinpoint Test AZ : DTC B103D: Notes

Refer to Climate Controlled Seats for schematic and connector information.

Normal Operation 

The Passenger Climate Controlled Seat Module - 2 (PCSM-2) monitors the LH rear seat blower circuits. If a short to ground on any of these circuits is detected, the DTC will be set.

• DTC B103D (Blower Driver Overtemperature) - If the PCSM-2 outputs to the LH rear seat blower or any components within these circuit loops are shorted to ground or cause an excessive current draw, the PCSM-2 will overheat, shut down the LH rear seat system and set this DTC.

This pinpoint test is intended to diagnose the following: 

• Wiring, terminals or connectors
• TED assembly
• PCSM-2