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
3. Disconnect rear air conditioning
Will Not Engage - Con-
wiring harness connector AW-C9
tinued
(WP 0009, Figure 267) from
refrigerant compressor low pres-
sure switch (WP 0009, Figure
266) (WP 0097).
4. Turn A/C ON (TM 5-3805-293-
10).
5. Using digital multimeter, test for
Voltage Less than 18 Volts - Pro-
voltage between harness connec-
ceed to Test Step 4.
tor AW-C2 (WP 0009, Figure 261)
Voltage Between 18 to 26 Volts -
terminal 1 and machine ground.
Proceed to step 6.
Voltage should be between 18 to 26
volts.
6. Using digital multimeter, test for
Voltage Less than 18 Volts - Pro-
voltage between harness connec-
ceed to Test Step 4.
tor AW-C3 (WP 0009, Figure 265)
Voltage Between 18 to 26 Volts -
terminal 1 and machine ground.
Proceed to step 7.
Voltage should be between 18 to 26
volts.
7. Using digital multimeter, test for
Voltage Less than 18 Volts - Pro-
voltage between harness connec-
ceed to Test Step 4.
tor AW-C9 (WP 0009, Figure 267)
Voltage Between 18 to 26 Volts -
terminal 1 and machine ground.
Proceed to step 8.
Voltage should be between 18 to 26
volts.
8. Turn ignition switch and battery
disconnect switch to the OFF
position (TM 5-3805-293-10).
0022-27
