TM 5-3805-298-23-1
0121
Table 1. Condenser Fan(s) Do Not Operate When the Heater A/C Switch Is in A/C Position - Continued.
0121
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4. Turn heater control knob to
Condenser Fan(s) Do Not
maximum cold (TM 5-3805-298-
Operate When the Heater A/
10).
C Switch Is in A/C Position -
5. Using digital multimeter
Voltage 18 to 26 V Replace primary
Continued
(WP 0174), test for voltage
A/C condenser fan 1 (WP 0417).
between connector MA-C1
Proceed to Test Step 33.
(WP 0012, Figure 134) terminal 1
Voltage Less Than 18 V Replace air
and terminal 2 (ground).
conditioning condenser fans wiring
harness (WP 0418).
Proceed to Test Step 33.
Test Step 32. Test for Voltage at
Primary A/C Condenser Fan 2.
1. Disconnect connector MA-C3
(WP 0012, Figure 135) from
primary A/C condenser fan 2.
2. Turn battery disconnect switch ON
and start the machine (TM 5-3805-
298-10).
3. Turn heater A/C switch to A/C ON
position (TM 5-3805-298-10).
4. Turn heater control knob to
maximum cold (TM 5-3805-298-
10).
5. Using digital multimeter
Voltage 18 to 26 V Replace primary
(WP 0174), test for voltage
A/C condenser fan 2 (WP 0417).
between connector MA-C3
Proceed to Test Step 33.
(WP 0012, Figure 135) terminal 1
Voltage Less Than 18 V Replace air
and terminal 2 (ground).
conditioning condenser fans wiring
harness (WP 0418).
Proceed to Test Step 33.
Test Step 33. Verify Malfunction Is
Resolved.
1. Ensure all harness connectors are
connected.
2. Install primary condenser fan
cover (WP 0417).
3. Install console instrument panel
(WP 0264).
4. Install right lower cab access
panels (WP 0347).
5. Turn battery disconnect switch ON
and start the machine (TM 5-3805-
298-10).
0121-19