Ford F150 Pickup. Instruction - part 363

 

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Ford F150 Pickup. Instruction - part 363

 

 

component.  

z

Circuitry.  

z

Rear anti-lock brake 
sensor.  

z

Anti-lock brake control 
module.  

z

DTC 10-speed 
sensor low 
resistance/short to 
ground  

z

Bulkhead connector 
between engine 
compartment and 
instrument panel sensor 
terminals shorted 
together.  

z

Circuitry.  

z

Rear anti-lock brake 
sensor.  

z

Anti-lock brake control 
module.  

z

Go To PINPOINT TEST L: 
DIAGNOSTIC TROUBLE CODE 
(DTC) 10 - LOW SPEED 
SENSOR RESISTANCE
 .  

z

DTC 11-brake pedal 
position (BPP) 
switch always 
closed  

z

Stoplamps.  

z

Circuitry.  

z

BPP switch.  

z

Anti-lock brake control 
module.  

z

Go To PINPOINT TEST M: 
DIAGNOSTIC TROUBLE CODE 
(DTC) 11 - BRAKE PEDAL 
POSITION (BPP) SWITCH 
ALWAYS CLOSED
 .  

z

DTC 12-loss of 
hydraulic brake fluid 
during an anti-lock 
stop  

z

Low master cylinder fill 
level.  

z

Fluid leaks in vehicle 
brake system.  

z

Brake fluid level warning 
switch.  

z

Master cylinder float.  

z

Diode/resistor element.  

z

Ignition switch.  

z

Circuitry.  

z

Anti-lock brake control 
module.  

z

Go To PINPOINT N: 
DIAGNOSTIC TROUBLE CODE 
(DTC) 12 - LOSS OF 
HYDRAULIC BRAKE FLUID 
DURING AN ANTI-LOCK 
STOP
 .  

z

DTC 13-RABS 
module failure  

z

Anti-lock brake control 
module.  

z

INSTALL a new anti-lock brake 
control module. TEST the system 
for normal operation.  

z

REPEAT the system pre-check.  

z

DTC 16-RABS 
system OK  

z

No system faults detected. 

z

STOP. Rear anti-lock brake system 
functioning properly.  

 

2003 Ford Pickup F150 

2003 BRAKES Anti-Lock Control-Rear - F150 Pickup

  

z

Intermittent problem 
diagnosis  

z

Intermittent voltage to 
antilock brake control 
module.  

z

Less than 11 volts feed to 
anti-lock brake control 
module.  

z

Intermittent connections 
at rear anti-lock brake 
sensor, RABS valve, anti-
lock brake control 
module.  

z

Go To PINPOINT TEST P: 
INTERMITTENT PROBLEM 
DIAGNOSIS
 .  

z

Unwarranted RABS 
activity  

z

Metal chips on sensor 
pole piece.  

z

Gap between the anti-lock 
brake sensor and the anti-
lock brake sensor 
indicator is too large.  

z

Anti-lock brake 
sensor/sensor indicator 
interference.  

z

Go To PINPOINT TEST H: 
DIAGNOSTIC TROUBLE CODE 
(DTC) 6 - ERRATIC REAR 
ANTI-LOCK BRAKE SENSOR 
CIRCUIT
 .  

z

Intermittent open rear 
anti-lock brake sensor 
circuit at intermediate 
connections especially 
bulkhead.  

z

Go To PINPOINT TEST P: 
INTERMITTENT PROBLEM 
DIAGNOSIS
 .  

z

Wire insulation.  

z

INSPECT wiring harness from rear 
axle assembly to frame side rail for 
chafing or rub marks.  

z

Rear brake adjustment.  

z

REFER to DISC - BLACKWOOD, 
F150 HERITAGE PICKUP & 
F150
 .  

z

Brake linings.  

z

REFER to DISC - BLACKWOOD, 
F150 HERITAGE PICKUP & 
F150
 .  

z

One or both wheels 
lock up  

z

Brake related concern: 

{

Rear brake shoe 
linings.  

{

Rear wheel 
cylinder.  

{

Rear brake 
adjustment.  

{

Contaminated brake 

z

REFER to DISC - BLACKWOOD, 
F150 HERITAGE PICKUP & 
F150
 .  

 

2003 Ford Pickup F150 

2003 BRAKES Anti-Lock Control-Rear - F150 Pickup

  

fluid.  

z

Parking brake.  

z

REFER to DISC - BLACKWOOD, 
F150 HERITAGE PICKUP & 
F150
 .  

z

Rear axle seal.  

z

REFER to REAR DRIVE 
AXLE/DIFFERENTIAL-FORD 
8.8-INCH -
 or REAR DRIVE 
AXLE/DIFFERENTIAL-FORD 
9.75-INCH -
 .  

z

Hubs engaged although 
shift lever is in 4x2 
position.  

z

REFER to MANUAL 
TRANSMISSION, CLUTCH & 
TRANSFER CASE - GENERAL 
INFORMATION - F150 
PICKUP
 .  

z

Faulty 4WD indicator 
switch or short to 12v in 
4x4 circuit 210 (LB).  

z

Go To PINPOINT TEST G: 
DIAGNOSTIC TROUBLE CODE 
(DTC) 5 - EXCESSIVE DUMP 
SOLENOID ACTIVITY
 .  

z

Low/soft brake 
pedal  

z

Hydraulic leak.  

z

REFER to DISC - BLACKWOOD, 
F150 HERITAGE PICKUP & 
F150
 .  

z

Air in brake system.  

z

REFER to DISC - BLACKWOOD, 
F150 HERITAGE PICKUP & 
F150
 .  

z

Brake related concern: 

{

Vacuum.  

{

Rear wheel cylinder 
or front disc brake 
caliper.  

{

Rear brake 
tube/hose.  

z

REFER to DISC - BLACKWOOD, 
F150 HERITAGE PICKUP & 
F150
 .  

z

Excessive dump solenoid 
activity  

z

Go To PINPOINT TEST G: 
DIAGNOSTIC TROUBLE CODE 
(DTC) 5 - EXCESSIVE DUMP 
SOLENOID ACTIVITY
 .  

z

Lack of deceleration 
during medium/hard 
brake applications  

z

RABS valve.  

z

Go To PINPOINT TEST F: 
DIAGNOSTIC TROUBLE CODE 
(DTC) 4 - GROUNDED/OPEN 
RABS VALVE RESET SWITCH 
CIRCUIT
 .  

z

Short/open in frame or 
instrument panel harness 

z

Go To PINPOINT TEST H: 
DIAGNOSTIC TROUBLE CODE 

 

2003 Ford Pickup F150 

2003 BRAKES Anti-Lock Control-Rear - F150 Pickup

  

(circuits 519 [LG/BK] 
and/or 523 [RD/BK]). 

{

At anti-lock brake 
control module 
connector (pins 3 
and 10).  

{

At rear anti-lock 
brake sensor 
connector.  

{

At bulkhead or 
other 
interconnection.  

{

Wire or insulation 
due to improper 
routing.  

{

Test connector (in 
engine 
compartment).  

(DTC) 6 - ERRATIC REAR 
ANTI-LOCK BRAKE SENSOR 
CIRCUIT
 .  

z

Rear anti-lock brake 
sensor.  

z

Go To PINPOINT TEST H: 
DIAGNOSTIC TROUBLE CODE 
(DTC) 6 - ERRATIC REAR 
ANTI-LOCK BRAKE SENSOR 
CIRCUIT
 .  

z

Rear anti-lock brake 
sensor ring radial runout, 
rear antilock brake sensor 
indicator teeth damaged 
or missing.  

z

Go To PINPOINT TEST H: 
DIAGNOSTIC TROUBLE CODE 
(DTC) 6 - ERRATIC REAR 
ANTI-LOCK BRAKE SENSOR 
CIRCUIT
 .  

z

Hydraulic leak.  

z

REFER to DISC - BLACKWOOD, 
F150 HERITAGE PICKUP & 
F150
 .  

z

Air in brake system.  

z

REFER to DISC - BLACKWOOD, 
F150 HERITAGE PICKUP & 
F150
 .  

z

Brake related concern: 

{

Vacuum.  

{

Wheel cylinder or 
caliper.  

{

Rear brake 
tube/hose.  

{

Brake shoe and 
linings.  

z

REFER to DISC - BLACKWOOD, 
F150 HERITAGE PICKUP & 
F150
 .  

 

2003 Ford Pickup F150 

2003 BRAKES Anti-Lock Control-Rear - F150 Pickup

  

 

 

 

 

 

 

 

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