TM 9-2540-205-24&P
TROUBLESHOOTING-CONTINUED
ESPAR V7S - CONTINUED
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. HEATER OUTPUT TOO LOW
Step 1. Check al lhot air ducts and hoses for cracks, damage, and proper cannections (refer to
applicable vehicle technical manuals).
Step 2. Check connector (1) and terminals (2) of temperature sensor (3) for a good connection.
Step 3. Check for defective temperature sensor (3) as follows:
a.
b.
c.
Be sure temperature sensor is at room temperature, approximately 68°F
(20°C).
Pull wire connector (1) off temperature sensor (3).
Using multimeter set to resistance measurements, place probes on terminals
(2) of temperature sensor (1).
1.
2.
If multimeter reads between 105.5 ohms and 110.5 ohms, plug wire con-
nector (1) onto temperature sensor (3).
If multimeter does not read between 105.5 ohms and 110.5 ohms, re-
place temperature sensor (page 3-140).
ROTATED 180°
Step 4. Check switchbox for damaged temperature selector switch (refer to applicable vehicle
technical manuals).
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