Pinpoint Test 1: DTC B106E - Solid State Driver Disabled Due To Short Circuit

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PINPOINT TEST 1: DTC B106E - SOLID STATE DRIVER DISABLED DUE TO SHORT CIRCUIT

Normal OperationThe smart junction box (SJB) controls the output of the daytime running lamps (DRL), fog lamps, one-touch down driver power window, accessory delay, windshield wiper park/run, windshield wiper speed, and windshield washer. When a repetitive fault causing a circuit overload is detected on any of the output circuits, the SJB disables the circuit by removing voltage, or ground, to the affected circuit. The circuit remains disabled until the fault is corrected and an on-demand self-test is run. After the on-demand self-test has been run, any diagnostic trouble codes (DTCs) related to the fault will be cleared.
DTC B106E - sets when the SJB has disabled a circuit due to a repetitive fault causing a circuit overload. A corresponding DTC for the circuit in question will also set as follows:

- DTC B1304 - Accessory delay relay circuit short to B+
- DTC B1400 - One-touch down window relay circuit short to B+
- DTC B1432 - Windshield wiper park/run relay circuit short to B+
- DTC B1436 - Windshield wiper hi/low speed relay circuit short to B+
- DTC B1460 - Washer pump motor relay circuit short to B+
- DTC B2512 - Fog lamp relay circuit short to B+
- DTC B2973 - DRL output short to ground
DTC B106F - sets when one or more output functions are permanently disabled due to a repetitive circuit overload fault. DTC B106F will be set with DTC B106E. When DTC B106F is present, the SJB must be replaced after the fault condition has been corrected.

Possible Causes
- Output circuit short to ground or voltage
- SJB

CAUTION:If DTC B106F is present and the SJB is to be replaced, the fault condition must be corrected first. Failure to correct the fault condition first may cause damage to the new SJB, resulting in a repeat repair.

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