FD - Brake On/Off
Enter this Pinpoint Test only when service code 74 or 75 is received during Quick Test.
This Pinpoint Test is only intended to diagnose the following:
1. BOO circuit.
2. ECA computer processor.
To prevent replacement of good components, be aware that these non-EEC areas may be faulty:
1. Brake lamp.
2. Brake switch.
3. Fuse.
PINPOINT TEST FD SCHEMATIC
Pinpoint Test FD Schematic:
TEST STEPS FD13 - FD15