TM 10-3930-675-20-1
0032 00-3
AXLE BRAKE COOLING SYSTEM TROUBLESHOOTING - CONTINUED
0032 00
Table 2. Error Code 192 - Temperature in Rear Axle Above Critical Threshold
Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 192 - Temperature in Rear Axle
Above Critical Threshold
1. Enter “EXTRA FUNCT. 12
(13)” diagnostic menu and
check
temperature
of
WHEEL END REAR HUB.
a. If menu shows 155:
(1) Check temperature sen-
sor 762-2 and connector
at left rear wheel for
damage.
a. Replace temperature sensor if
damaged (WP 0092 00).
b. Replace
connector
if
damaged (WP 0111 00).
(2)Disconnect ECU (790)
connector 1 and check
continuity
between
connector 762-2 pin 1
and pin 2 and between
connector 762-2 pin 1
and pin 2 and chassis.
a. If continuity is not present,
replace temperature sensor
(WP 0092 00).
b. If continuity is present, notify
SRA to replace wire between
connectors 762-2, X168,
X156,
and
ECU
(790)
connector 1 (WP 0111 00).
b. If menu shows 95-120,
check if rear wheel ends are
extremely warm.
If wheel ends are not extremely
warm, replace wheel temper-
ature sensor (762-2) (WP 0092
00).
2. Enter “EXTRA FUNCT. 12
(13)” diagnostic menu and
check
temperature
of
BRAKE COOLING. If menu
shows a value of 1:
a. Check voltage at valve
connector 6049-2. Voltage
should be 20-25V.
If voltage is not present, notify
SRA to repair or replace wire.
b. Check voltage between
connector X168 pin 3 and
pin 4, between connector
X156 pin 3 and pin 4, and
between connector X156
pin 4 and connector X160
pin 12 (20-25V).
If voltage is not present, notify
SRA to repair or replace wire.
