TM 5-2410-241-23-1
0021
Table 2. Chassis Troubleshooting Procedures - Continued.
0021
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
271-3 Action Alarm Voltage
6. Using digital multimeter (WP
1. If continuity is found, replace
Above Normal - Contin-
0296), test for continuity between
instrument panel harness
ued
pin 4 on dash monitor connector
(WP 0260). Ensure all harness
E-C7 (WP 0018, Figure 5) and all
connectors are reconnected. Ver-
other pins in dash monitor con-
ify correct operation of machine
nector E-C7 (WP 0018, Figure 5).
(TM 5-2410-241-10).
2. If continuity is NOT found, replace
dash monitor ECM (WP 0262).
Ensure all harness connectors
are reconnected. Verify correct
operation of machine (TM 5-2410-
241-10).
271-5 Action Alarm Voltage
1. Connect MSD (WP 0016). Select
1. If active 271-5 code is present,
Below 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 instrument panel har-
ness action alarm connector E-C3
(WP 0018, Figure 81) from action
alarm (WP 0183).
4. Install jumper wire between pin 1
and 2 on instrument panel har-
ness action alarm connector E-C3
(WP 0018, Figure 81).
5. Turn battery disconnect switch
and ignition switch to ON position
(TM 5-2410-241-10).
6. Check for Diagnostic Codes or
1. If active 271-5 code is present,
Event Codes (WP 0013).
proceed to step 7.
2. If active 271-5 code is NOT pres-
ent, replace action alarm
(WP 0183). Remove jumper wire
between pin 1 and 2 on connector
E-C3 (WP 0018, Figure 81).
Ensure all harness connectors
are reconnected. Verify correct
operation of machine (TM 5-2410-
241-10).
7. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-2410-241-10).