Test M

PINPOINT TEST M: DTCS C1987/C1988: YELLOW EPB FAULT WARNING INDICATOR SHORT TO BATTERY/CIRCUIT FAILURE

Tests M1 - M2:

Tests M3 - M6:

Normal Operation
The yellow EPB system warning lamp (in the EPB switch) will illuminate at prove-out for 3 seconds when the ignition switch is cycled to RUN and will illuminate continuously (even with ignition OFF) when the EPB module has detected a fault in the system and DTCs are present.

Possible Causes
^ EPB module
^ EPB switch
^ CIB fuse 7 (5A)
^ circuit 75-CG14 (YE/GN) open
^ circuit 31S-CG14 (BK/GN) open, short to power, short to ground