TM 5-2420-231-23-1
0026
Table 1. Air Filter Restriction Indicator Fault - Continued.
026
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. Remove air cleaner assembly
Air Filter Restriction
(WP 0100).
Indicator Fault - Continued
3. Disconnect main chassis wiring
harness connector (WP 0007, Fig-
ure 37) from air filter restriction
switch (WP 0007, Figure 38).
4. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less -
sure resistance between main
Replace air filter restriction switch (WP
chassis wiring harness connector
0100).
(WP 0007, Figure 37) terminals A
Remove jumper wire from side console
and B. Resistance should be 5.0
wiring harness connector (WP 0007,
ohms or less.
Figure 28) pins 3 and 36.
Install instrument cluster (WP 0177).
Install air cleaner assembly (WP 0100).
Proceed to Test Step 10.
Resistance Greater Than 5.0 Ohms -
Remove jumper wire from side console
wiring harness connector (WP 0007,
Figure 28) pins 3 and 36.
Proceed to Test Step 8.
Test Step 8. Check for Open Side
Console Wiring Harness.
1. Remove front instrument panel
right-side cover (WP 0176).
2. Disconnect side console wiring
harness connector (WP 0007, Fig-
ure 24) from main chassis wiring
harness connector (WP 0007,
Figure 25).
3. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less -
sure resistance between side con-
Replace machine chassis wiring
sole wiring harness connector (WP
harness (WP 0154).
0007, Figure 24) terminal 1L and
Install air cleaner assembly (WP 0100).
side console wiring harness con-
Install instrument cluster (WP 0177).
nector (WP 0007, Figure 28) termi-
Proceed to Test Step 10.
nal 3. Resistance should be 5.0
Resistance Greater Than 5.0 Ohms -
ohms or less.
Replace side console wiring harness
(WP 0170).
Install air cleaner assembly (WP 0100).
Proceed to Test Step 10.
Test Step 9. Verify That Symptom Is
Resolved After Bulb Replacement.
1. Ensure that all wiring harness con-
nectors are connected and install
air cleaner assembly (WP 0100).
2. Connect batteries (WP 0157) and
turn ignition switch to the on posi-
tion (TM 5-2420-231-10).
0026-8