DRAFT
TM 5-4210-249-13&P-1
0070
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
TFFT 04797
Step 4.
Start vehicle engine (TM 9-2320-347-10). Run vehicle engine till engine reaches
operating temperature. Change crew cab air conditioner/heater control panel set point
to 80F (26C) (WP 0009), check if crew cab air conditioner/heater produces warm air.
If crew cab air conditioner/heater does not produce warm air, go to Step 29.
Step 5.
Start crew cab air conditioner/heater (WP 0008). Change crew cab air conditioner/
heater control panel set point to 45F (7C) (WP 0009), check if crew cab air conditioner
operates.
If crew cab air conditioner/heater does not operate, go to Step 7.
NOTE
TDH 02 and TLK 38 model crew cab air conditioner/heater control panels are
programmed similarly. Crew cab air conditioner/heater control panel is preset to 68F
(20C), it automatically resets to preset temperature when battery disconnect switch is
turned OFF then to ON position.
Step 6.
Stop crew cab air conditioner (WP 0008). Shut vehicle engine off (TM 9-2320-347-10).
Turn battery disconnect switch to OFF position (WP 0007). Turn battery disconnect
switch to ON position (WP 0007). Press the P button on crew cab air conditioner/heater
control panel (WP 0009), check if crew cab air conditioner/heater control panel set point
is at 68F (20C).
a.
If crew cab air conditioner/heater control panel is programmed
correctly, replace crew cab air conditioner/heater control panel
(WP 0202).
b.
If crew cab air conditioner/heater control panel is not programmed
correctly, reprogram crew cab air conditioner/heater control
panel (WP 0009).
0070-4
