DTC B2617: Courtesy Light Circuit Low: Notes

TBC module monitors circuit No. 690 (Gray/Black wire) to determine when courtesy lights are on. See WIRING DIAGRAMS  . When circuit is shorted to ground and interior light request is inactive, DTC will set.

Conditions for setting DTC:

• Circuit No. 1732 (Orange wire) inactive.
• Circuit No. 690 (Gray/Black wire) is shorted to ground and TBC module is commanding courtesy light relay inactive.
• System voltage 9-16 volts.
• Conditions met for .5 second.