Test L: The Turn Signal Lamps Are Always On

PINPOINT TEST L: THE TURN SIGNAL LAMPS ARE ALWAYS ON

L1-L3:

Normal Operation
The smart junction box (SJB) sends voltage reference signals to the multifunction switch through circuits CLS39 (VT/WH) (LH turn input) and CLS41 (GY/YE) (RH turn input). When the multifunction switch is switched to the LH or RH TURN positions, the voltage signal is routed to ground. When the SJB detects the multifunction switch in the LH or RH TURN position, the SJB sends voltage to the appropriate turn lamps.

DTC B2281 - is an on-demand DTC that sets when the SJB detects a short to ground from the RH turn signal input circuit.

DTC B2282 - is an on-demand DTC that sets when the SJB detects a short to ground from the LH turn signal input circuit.

Possible Causes
- Circuit CLS39 (VT/WH) short to ground
- Circuit CLS41 (GY/YE) short to ground
- Multifunction switch
- SJB