ELECTRICAL
Event Code 111
222
M4.8-1055-012
03 Rev. 10/09
Event Code 111
Brake switch mismatch.
ACCESS 3 brake switch (BRKS) input is different than
ACCESS 1 brake switch (BRKS) input.
Step 1: Enter Level 2, navigate to Analyzer menu
A2.1.2 BRKS. Depress brake pedal. Display should
show "1" when the brake pedal is depressed (switch
closed) and "0" when the pedal is released (switch
open).
• If: Correct.
– Then proceed to step 3.
• If: Not correct.
– Then proceed to step 2.
Step 2: Connect DVOM to CA215-14 and BNEG
(TP6). Depress brake pedal. DVOM should display
battery volts when the brake pedal is depressed
(switch closed) and 0 volts when the pedal is released
(switch open).
• If: Correct.
– Then replace ACCESS 1.
• If: Not correct.
– Then check wiring and connections between
CA201-9 and CA215-14. Repair/replace as
needed. If OK, proceed to step 5.
Step 3: Enter Level 2, navigate to Analyzer menu
A2.3.3 BRKS. Depress brake pedal. Display should
show "1" when the brake pedal is depressed (switch
closed) and "0" when the pedal is released (switch
open).
• If: Correct.
– Check for loose connections, power up truck
and monitor operation.
• If: Not correct.
– Then proceed to step 4.
Step 4: Connect DVOM to CA403-9 and BNEG (TP6).
Depress brake pedal. DVOM should display battery
volts when the brake pedal is depressed (switch
closed) and 0 volts when the pedal is released (switch
open).
• If: Correct.
– Then replace ACCESS 3.
• If: Not correct.
– Then check wiring and connections between
CA201-6 and CA403-9. Repair/replace as
needed. If OK, proceed to step 5.
Step 5: Check voltage between CA201-9 and TP6
(BNEG) and between CA201-6 and TP6 (BNEG).
• If: Both checks are battery volts.
– Check for loose connections, power up truck
and monitor operation.
• If: Either check is less than battery volts.
– Then replace distribution panel.
Figure 15784-01
Crown 2007 PF15665-12 Rev. 10/09
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