TM 10-3930-675-24-1
BRAKE SYSTEM TROUBLESHOOTING - CONTINUED
0031 00
Table 1. Error Code 118 - Brake System Pressure, Circuit 1 and Circuit 2 Failure
Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 118 - Brake System Pressure, Circuit
b. If voltage (24V) is present,
1 and Circuit 2 Failure - Continued.
disconnect
ECU
(790)
connector 1 and inspect pins
40 and 41 for damage (WP
0048 00-7).
6. Check voltage (24V) at X18 a. If no voltage (24V) is found,
pin 1 (WP 0048 00-36).
check circuit breaker F3 and
continuity of wires A266 and
A181.
b. Repair or replace damaged
wires or connectors (WP 0113
00).
c. Replace damaged or faulty
circuit breaker (WP 0074 00).
7. Check voltage (24V) at X18 a. If no voltage (24V) is found at
pins 2 and 3 (WP 0048 00-36).
either pin, remove panel in
front of the brake pedals and
check connections at the brake
pressure switches 204-1 and
204-2 (WP 0098 00).
b. With the brake pressure built
up, check continuity of
pressure switches 204-1 and
204-2 (WP 0113 00).
c. Replace faulty pressure switch
(WP 0098 00).
8. Check continuity of wires 181, Repair or replace damaged wires
182, 183, A182, A183, 295, or connectors (WP 0113 00).
296, A1509, and A15010 (WP
36).
0031 00-2
