Pinpoint Test A: DTC B106E

Smart Junction Box (SJB)

Pinpoint Tests

Pinpoint Test A: DTC B106E

Normal Operation

When a repetitive fault causing a circuit overload is detected on certain output circuits, the Smart Junction Box (SJB) disables the circuit by removing voltage, or ground, to the affected circuit. The circuit remains disabled until the fault is corrected and the DTCs are cleared, and then the self-test is repeated. When the on-demand self-test has been run after all faults have been corrected, any DTCs related to the fault are cleared.

- DTC B106E (Solid State Driver Disabled Due to Short Circuit) - a continuous DTC that sets when the SJB has disabled a circuit due to a repetitive fault causing a circuit overload.
- DTC B106F (Module Disabled Due to External Fault) - a continuous DTC that 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.

This pinpoint test is intended to diagnose the following:

- Output circuit short to ground or voltage
- SJB



PINPOINT TEST A: DTC B106E

NOTICE: If DTC B106F is present and the Smart Junction Box (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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A1 REVIEW THE DTCs


- Review the DTCs from the SJB self-test.
- Is only DTC B106F present?

Yes
INSTALL a new SJB. REFER to Smart Junction Box (SJB) Service and Repair. TEST the system for normal operation.

No
CORRECT any DTCs present other than DTC B106E (DTC B106F may also be present). REFER to Diagnostic Trouble Code (DTC) Chart Diagnostic Trouble Code (DTC) Chart. After the repair, GO to A2.

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A2 CARRY OUT THE SJB SELF-TEST


- Carry out the SJB self-test.
- Is only DTC B106F present?

Yes
INSTALL a new SJB. REFER to Smart Junction Box (SJB) Service and Repair. TEST the system for normal operation.

No
The system is operating correctly at this time. The concern was caused by a fault in one of the output circuits, which is no longer present.

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