Ford F-150 2001 Workshop Manual page 9

2001 F-150 Workshop Manual
The charge system warning indicator is
never/always on
The 4X4 indicator lamp is never/always on
The LOW RANGE indicator lamp is never/always
on
An indicator is inoperative/always on — high beam
An indicator is inoperative/always on — air bag
warning
An indicator is inoperative/always on — ABS
warning
An indicator is inoperative/always on — SERVICE
ENGINE SOON
An indicator is inoperative/always on —
turn/hazard
An speed control indicator is never on
The speed control is always on
An indicator is inoperative/always on — THEFT
The integrated circuit display is inoperative/erratic
A gauge is inoperative — boost gauge
Pinpoint Tests
PINPOINT TEST A: NO COMMUNICATION WITH THE HYBRID ELECTRONIC INSTRUMENT CLUSTER (HEC) MODULE
CONDITIONS
A1 CHECK CIRCUIT 729 (RD/WH) FOR VOLTAGE
Instrument Cluster C236
http://www.fordtechservice.dealerconnection.com/pubs/content/~WS11/~MUS~LEN/19/S...
Parking brake switch.
Fluid level indicator switch.
Bulb.
Instrument cluster.
Anti-lock brake control module (RABS
only).
Circuitry.
Generator (GEN).
Bulb.
Instrument cluster.
Circuitry.
Generic electronic module (GEM).
Bulb.
Instrument cluster.
Circuitry.
Powertrain control module (PCM).
Bulb.
Instrument cluster.
Circuitry.
Bulb.
Instrument cluster.
Circuitry.
Bulb.
Instrument cluster.
RCM.
Circuitry.
Bulb.
Instrument cluster.
ABS module.
Circuitry.
Bulb.
Instrument cluster.
Powertrain control module (PCM).
Circuitry.
Bulb(s).
Instrument cluster.
Circuitry.
Bulb.
Instrument cluster.
Speed control.
Circuitry.
Speed control servo.
Circuitry.
LED.
Instrument cluster.
Instrument Cluster.
Pressure/vacuum line.
Instrument cluster.
DETAILS/RESULTS/ACTIONS
Measure voltage between instrument cluster C236 pin 10, circuit 729 (RD/WH), harness side and ground.
Is the voltage greater than 10 volts?
Yes
GO to A2.
GO to Pinpoint Test M.
GO to Pinpoint Test N.
REFER to Powertrain Control/Emissions Diagnosis
(PC/ED) manual.
GO to Pinpoint Test O.
REFER to Section 501-20B.
GO to Pinpoint Test P.
GO to Pinpoint Test Q.
GO to Pinpoint Test R.
GO to Pinpoint Test S.
REFER to Section 310-03.
REFER to Section 419-01.
CARRY OUT HEC Dealer Test Mode.
GO to Pinpoint Test T.
Page 9 of 45
5/27/2011