DRAFT
TM 5-4210-249-13&P-1
0070
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
TFFT 04811
Step 36.
Put crew cab air conditioner/ heater control panel switch to off position (WP 0008). Turn
battery disconnect switch to OFF position (WP 0007). With a test lead set, check for
continuity across wire 1640 from body condenser wire harness crew cab air conditioner/
heater fresh air fan connector, terminal 2 to a known good ground.
a.
If continuity is present, replace crew cab air conditioner/heater fresh air
fan (WP 0203).
b.
If continuity is not present, repair wire 1640 in body condenser wire
harness if repairable (TM 9-2320-325-14&P), or replace body air
condenser wire harness (WP 0436).
Step 37.
Put crew cab air conditioner/ heater control panel switch to off position (WP 0008).
Turn battery disconnect switch to OFF position (WP 0007). Remove crew cab air
conditioner/heater control box cover (WP 0201). With a test lead set, check for
continuity across wire 4042 from body condenser wire harness crew cab air conditioner/
heater fresh air fan connector, terminal 1 to crew cab air conditioner/heater relay
module block, crew cab air conditioner heater blower relay.
a.
If continuity is present, replace crew cab air conditioner/heater control
box (WP 0201).
b.
If continuity is not present, repair wire 4042 in body condenser wire
harness if repairable (TM 9-2320-325-14&P), or replace body air
condenser wire harness (WP 0436).
Step 38.
While operating crew cab air conditioner/heater (WP 0008), check if crew cab air
conditioner/heater fresh air fan operates.
If crew cab air conditioner/heater fresh air fan does not operate, go to
Step 42.
0070-22
