TM 5-2420-231-23-1
0032
Table 1. A/C Compressor Does Not Operate - Continued.
032
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Resistance 5.0 Ohms or Less -
sure resistance between terminals
Replace side options wiring harness
Operate - Continued
on A/C temperature switch (WP
(WP 0255).
0007, Figure 157). Resistance
Proceed to Test Step 9.
should be 5.0 ohms or less.
Replace A/C temperature switch
(WP 0360).
Proceed to Test Step 9.
Test Step 6. Test for an Open Circuit
in Chassis Options Wiring Harness.
1. Remove air cleaner barrier curtain
(WP 0099).
2. Disconnect front console options
wiring harness connector (WP
0007, Figure 135) from chassis
options wiring harness connector
3. With assistance, use a digital mul-
Resistance 5.0 Ohms or Less -
timeter and measure resistance
Proceed to step 4.
between chassis options wiring
Replace chassis options wiring harness
ure 42) terminal B and chassis
(WP 0171).
options wiring harness connector
Proceed to Test Step 9.
Resistance should be 5.0 ohms or
less.
4. With assistance, use a digital mul-
Resistance 5.0 Ohms or Less -
timeter to measure resistance
Proceed to step 5.
between chassis options wiring
Replace chassis options wiring harness
ure 42) terminal E, and chassis
(WP 0171).
options wiring harness connector
Proceed to Test Step 9.
Resistance should be 5.0 ohms or
less.
5. Install a jumper wire between
chassis options wiring harness
terminal A and machine ground.
6. With assistance, use a digital mul-
Resistance 5.0 Ohms or Less -
timeter to measure resistance
Proceed to Test Step 7.
between chassis options wiring
Replace chassis options wiring harness
ure 153) terminal A and machine
(WP 0171).
ground. Resistance should be 5.0
Proceed to Test Step 9.
ohms or less.
0032-11