Test J

PINPOINT TEST J: DTC C1287-BRAKE BOOSTER PEDAL FORCE SWITCH CIRCUIT FAILURE

Tests J1 - J2:

Tests J2 (continued) - J4:

Tests J4 (continued) - J6:

Test J6:

Normal Operation
The active brake booster has a normally open (NO), and a normally closed, (NC) pedal force switch that operates according to driver brake applications.

The NO pedal force switch circuit is 8-CF51 (WH/GN). The NC pedal force switch circuit is 10-CF51 (GY/OG).

Possible Causes
^ no pedal force switch circuit 8-CF51 (WH/GN)
^ nc pedal force switch circuit 10-CF51 (GY/OG)
^ active brake booster
^ ABS module

CAUTION: Use the Flex Probe Kit for all test connections to prevent damage to the wiring terminals. Do not use standard multimeter probes.