PINPOINT TEST C: THE A/C DOES NOT OPERATE/DOES NOT
OPERATE CORRECTLY z
Is the heater core inlet hose too hot to handle? B3 CHECK THE ENGINE COOLING SYSTEM INCLUDING
RADIATOR CAP FOR LEAKS z
Fill the engine cooling system to specified level.
z NOTE: It is not necessary to check the components
separately at this time.
z Pressure check the engine cooling system. Refer to Section 303 - 03A or
Section 303 - 03B .
z Does the engine cooling system, including the radiator
cap, hold pressure? Yes
GO to
B4 .
No
Pressure test the heater
core. REFER to
Component Tests, Heater
Core — Pressure Test. B4 CHECK THE HEATER CORE OUTLET HOSE FOR HOT
WATER z
Feel the heater core outlet hose.
z Is the heater core outlet hose cool or cold? Yes
TEST the heater core for a
plugged or partially
plugged condition. REFER
to
Section 303 - 03A or
Section 303 - 03B .
No
GO to Pinpoint Test E .
Test Step Result / Action to Take
C1 CHECK THE PCM PID WACF
z
Connect the diagnostic tool.
z Turn the function selector to the OFF position.
z Key in ON position.
z Enter the following diagnostic mode on the diagnostic
tool:
z Monitor the PCM PID WACF while turning the function
selector.
z Does the PCM PID WACF read YES? Yes
REFER to the Powertrain
Control/Emissions Diagnosis
(PC/ED) manual.
No
GO to
C2 .
C2 CHECK THE PCM PID WACF WITH THE A/C ON
z
Turn the function selector switch to the A/C position.
z Enter the following diagnostic mode on the diagnostic Yes
REFER to the Powertrain Klj . 15 ba
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SPECIFICATIONS
SECTION 414-
01: Battery, Mounting and Cables 2003 Mustang Workshop Manual General Specifications
Item Specification
Manufacturer Motorcraft
Voltage 12 volt
Amps at -
17.7°C (0°F) cold crank 540
Minutes—
reserve capacity 100
Amps/hrs.—20 hour rate 55
Location Left front of engine compartment
Torque Specifications Description Nm lb-
ft lb-
in Battery cable harness front support bracket nut 25 18 —
Battery cable terminal bolts 7 — 62
Battery hold-
down bolt 10 — 89
Battery junction box nut 20 15 —
Battery tray bolts 11 8 —
Front lower cable harness bracket nuts 11 8 —
Generator B+ cable nut 8 — 71
Battery cable bracket nut (left upper) 25 18 —
Battery ground cable nut (engine block) 25 18 —
Battery ground cable at the radiator support bolt 12 9 —
Positive battery cable nut (starter solenoid) 12 9 —
Positive battery wire nut (starter solenoid) 6 — 53
Right engine mount cable harness bracket nut 25 18 — Klj . 1 ba
22003 Mustang Workshop Manual
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