Fault Code Guide

Crew Cab with Valeo HD-1 Condenser and Behr Aux HVAC
Ambient
Air
Temp:
°F (°C)
Humidity
(approximate)
Dash Outlet
Temperature
(approximate)
Auxiliary
Unit Lower
Louver
Temperature
Service Port Pressures
A/C
Compressor
Status
A/C Compressor
Status Comments
High: psi
(kPa)
Low: psi
(kPa)
70 (21)
Low 25%
52–56°F (11–
13°C)
52–55°F
(11–13°C)
85–105
(586–724)
19–48
(131–331)
Cycling On 6 sec; Off 9 sec
Med 50%
53–58°F (12–
14°C)
53–55°F
(12–14°C)
90–110
(621–758)
22–50
(152–345)
Cycling On 7 sec; Off 9 sec
High 70%
54–60°F (12–
16°C)
56–61°F
(13–16°C)
95–115
(655–793)
23–53
(159–365)
Cycling On 7 sec; Off 7 sec
80 (27)
Low 25%
54–59°F (12–
15°C)
56–58°F
(13–14°C)
120–140
(827–965)
23–52
(159–359)
Cycling On 6 sec; Off 11 sec
Med 50%
53–58°F (12–
14°C)
56–59°F
(13–15°C)
120–140
(827–965)
26–40
(179–276)
Cycling On 24 sec; Off 5 sec
High 70% 55°F (13°C) 62°F (17°C) 145 (1000) 30 (207) On On steady
90 (32)
Low 25%
51–58°F (11–
14°C)
57–60°F
(14–16°C)
135–160
(931–1103)
25–48
(172–331)
Cycling On 36 sec; Off 5 sec
Med 50% 60°F (16°C) 67°F (19°C) 175 (1207) 35 (241) On On steady
100 (38)
Very Low 10% 52°F (11°C) 61°F (16°C) 185 ()1276 27 (186) On On steady
Low 25% 56°F (13°C) 64°F (18°C) 190 (1310) 31 (214) On On steady
Med 40% 62°F (17°C) 69°F (21°C) 195 (1344) 36 (248) On On steady
Test conditions:
• engine at 1500 rpm
• engine fan locked on
• normal A/C mode, outside air
• blower speed on high, about 13.5 vdc
• cab doors open
• hood open
• parked out of direct sunlight
• no wind speed or less than 5 mph (8 km/h)
• stabilize at each point
Table 10, Crew Cab with Valeo HD-1 Condenser and Behr Aux HVAC
Torque Specifications
Table 11 shows torque specifications for Stat-O-Seal
Assembly Bolts.
Stat-O-Seal Assembly Bolt Torque Specs
HVAC Component Torque: lbf·ft (N·m)
Refrigerant Compressor 11–15 (15–20)
Condenser 11–15 (15–20)
Receiver-Drier 11–15 (15–20)
Expansion Valve (to lines to
receiver-drier)
11–15 (15–20)
Stat-O-Seal Assembly Bolt Torque Specs
HVAC Component Torque: lbf·ft (N·m)
Expansion Valve (small screws
to evaporator lines)
35 lbf·in (395 N·cm)
Evaporator 11–15 (15–20)
Junction Block 11–15 (15–20)
Table 11, Stat-O-Seal Assembly Bolt Torque Specs
Wiring Diagrams
See Fig. 4 and Fig. 5 for the HVAC wiring diagram.
Cab Heater and Air Conditioner, Valeo 83.00
Specifications
Business Class M2 Workshop Manual, Supplement 15, March 2009400/10