TM 5-2410-241-23-1
0021
Table 2. Chassis Troubleshooting Procedures - Continued.
0021
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
819-2 Display Data Link
18. Using digital multimeter (WP
1. If continuity is NOT found, replace
Abnormal Update - Con-
0296), test for continuity between
instrument panel harness (WP
tinued
pin 5 on instrument panel harness
0260). Ensure all harness con-
lamp gear module connector E-
nectors are reconnected. Verify
C10 (WP 0018, Figure 87) and
correct operation of machine (TM
pin 15 on dash monitor connector
5-2410-241-10).
E-C7 (WP 0018, Figure 5).
2. If continuity is found, proceed to
step 19.
19. Connect dash monitor connector
E-C7 (WP 0018, Figure 5) on
instrument panel (WP 0262).
20. Turn battery disconnect switch
and ignition switch to ON position
(TM 5-2410-241-10).
21. Using digital multimeter (WP
1. If 8.5 - 9.5 Volts is found, proceed
0296), measure for voltage
to step 22.
between pin 1 and 2 on instru-
2. If 8.5 - 9.5 Volts is NOT found,
ment panel harness gauge cluster
replace dash monitor ECM (WP
connector E-C9 (WP 0018, Figure
0262). Ensure all harness con-
86).
nectors are reconnected. Verify
correct operation of machine (TM
5-2410-241-10).
22. Using digital multimeter (WP
1. If 8.5 - 9.5 Volts is found, replace
0296), measure for voltage
lamp gear module and gauge
between pin 1 and 2 on instru-
cluster (WP 0262). Ensure all har-
ment panel harness lamp gear
ness connectors are reconnected.
module connector E-C10 (WP
Verify correct operation of
0018, Figure 87).
machine (TM 5-2410-241-10).
2. If 8.5 - 9.5 Volts is NOT found,
replace dash monitor ECM (WP
0262). Ensure all harness con-
nectors are reconnected. Verify
correct operation of machine (TM
5-2410-241-10).
821-3 Display Power Supply
1. Connect MSD (WP 0016). Select
1. If active 821-3 code is present,
Voltage Above Normal
CAT Monitoring System D7R
proceed to step 2.
ECM and check for Diagnostic
2. If no active codes are present,
Codes or Event Codes (WP
problem does NOT exist at this
time. Resume normal operation.
2. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-2410-241-10).
3. Disconnect dash monitor connec-
tor E-C7 (WP 0018, Figure 5)
from instrument panel (WP 0262).