TM 5-3805-293-23-2
0022
Table 1. Cab Heating, Air Conditioning, and 12 Volt Power Inverter Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4. Refrigerant Compressor
14. Disconnect rear air conditioning
Will Not Engage - Con-
wiring harness connector AW-C1
tinued
(WP 0009, Figure 263) from rear
chassis wiring harness connector
FA-C32 (WP 0009, Figure 262)
(WP 0185).
15. Using digital multimeter, test for
Resistance 5.0 Ohms or Less - Pro-
continuity between harness con-
ceed to step 16.
nector FA-C32 (WP 0009, Figure
Resistance More Than 5.0 Ohms -
262) terminal 5 and machine
Verify rear frame ground (WP 0009,
ground.
Figure 133) is clean and tight. If rear
Resistance should be less than
frame ground is OK, replace rear
5.0 ohms.
chassis wiring harness (WP 0188).
Connect harness connector AW-C2
(WP 0009, Figure 261) to A/C com-
pressor clutch solenoid (WP 0009,
Figure 260) (WP 0185).
Connect rear air conditioning wiring
harness connector AW-C3 (WP 0009,
Figure 265) to refrigerant compressor
arc suppressor (WP 0009, Figure
264) (WP 0098).
Connect rear air conditioning wiring
harness connector AW-C9 (WP 0009,
Figure 267) to refrigerant compressor
low pressure switch (WP 0009, Figure
266) (WP 0097).
Proceed to step 17.
0022-29