Ford 2003 Mustang Workshop Manual page 2595

The shift control is
out of correct gear
relationship
Transmission range
indicator does not
correspond to the
gear
The Transmission
Control Switch (TCS)
Is Inoperative
The Transmission
Control Indicator
Lamp (TCIL) Is Not
Operating Correctly
Excessive Shift Effort
Transmission Range
Selector Lever Will
Not Shift
Pinpoint Tests
PINPOINT TEST A: THE SHIFT INTERLOCK SYSTEM DOES NOT
RELEASE/LOCK CORRECTLY
A1 TEST THE BRAKE LIGHTS
Key in ON position.
Apply the brake pedal and observe the stoplamps.
Do the stoplamps illuminate?
Transmission shift
cable and bracket.
Retainer bracket.
Shift control linkage
out of adjustment.
Transmission shift
cable bracket.
Transmission shift
cable loose from the
transmission
retainer bracket.
Shift linkage.
CJB Fuse 28 (15A).
TCS.
TCS not cycled
during self-test.
Powertrain control
module (PCM).
Circuitry.
Bulb.
Instrument cluster.
Powertrain control
module.
Transmission shift
cable.
Cable bracket.
Transmission shift
cable.
Broken transmission
shift cable.
Test Step
Go To Pinpoint Test B .
TIGHTEN the bolts
holding transmission
shift cable bracket.
TIGHTEN the bolts.
VERIFY digital
transmission range
(DTR) sensor range for
correct adjustment.
REFER to Section 307-
01 .
Go To Pinpoint Test C
REFER to Section 413-
01 .
INSTALL a new
transmission shift cable.
ADJUST the cable.
TIGHTEN the screws.
INSTALL a new
transmission shift cable.
INSTALL a new
transmission shift cable.
Result / Action to Take
Yes
GO to A2 .
No
REFER to Section 417-
.