TM 5-2420-231-23-1
0029
Table 1. A/C System Pressure Indicator Fault - Continued.
029
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. Disconnect side options wiring har-
A/C System Pressure
ness connector (WP 0007, Figure
Indicator Fault - Continued
43) from chassis options wiring
harness connector (WP 0007, Fig-
ure 42).
3. Using a digital multimeter, test for
Continuity - Replace side options
continuity between side options
wiring harness (WP 0255).
wiring harness connector (WP
Proceed to Test Step 6.
0007, Figure 43) terminals B and
No Continuity - Replace chassis
C. There should be no continuity.
options wiring harness (WP 0171).
Proceed to Test Step 6.
Test Step 5. Check for Shorted Side
Console Wiring Harness.
1. Disconnect side options wiring har-
ness connector (WP 0007, Figure
44) from side console wiring har-
ness connector (WP 0007, Figure
45).
2. Using a digital multimeter, test for
Continuity - Replace side console
continuity between side console
wiring harness (WP 0170).
wiring harness connector (WP
Proceed to Test Step 6.
0007, Figure 45) terminals B and
No Continuity - Replace side options
A. There should be no continuity.
wiring harness (WP 0255).
Proceed to Test Step 6.
Test Step 6. Verify That Symptom Is
Resolved.
1. Ensure that all wiring harness con-
nectors are reconnected.
2. Install hood radiator screen and
bumpers (WP 0304).
3. Connect batteries (WP 0157) and
turn ignition switch to the on posi-
tion (TM 5-2420-231-10).
4. Start and operate engine for
approximately 10 minutes (TM 5-
2420-231-10).
5. Check A/C system pressure indi-
A/C System Pressure Indicator On -
cator (TM 5-2420-231-10).
Repeat troubleshooting from the
beginning.
A/C System Pressure Indicator Off -
Troubleshooting complete.
END OF WORK PACKAGE
0029-4