Ford Electric Ranger 2001 Manual page 169

206-09-9
DIAGNOSIS AND TESTING (Continued)
PINPOINT TEST B: DTCs C1145, C1155, C1165, AND C1175, SPEED SENSOR INPUT CIRCUIT FAILURE
• With key OFF, disconnect LF anti-lock brake sensor C151 and measure
the resistance between pin 17 (T/BK wire) on anti-lock brake control
module C154 and ground.
RR Anti-Lock Brake Sensor:
• With key OFF, disconnect RR anti-lock brake sensor C4995 and measure
the resistance between pin 7 (PK/BK wire) on anti-lock brake control
module C154 and ground.
LR Anti-Lock Brake Sensor:
• With key OFF, disconnect LR anti-lock brake sensor C4994 and measure
the resistance between pin 21 (LG/BK wire) on anti-lock brake control
module C154 and ground.
• Is the resistance greater than 10,000 ohms?
B7 VERIFY CONCERN IS RESOLVED
• Reconnect anti-lock brake control module C154.
• Clear the ABS DTCs.
• Drive the vehicle.
• Retrieve ABS DTCs.
• Does the same DTC occur?
PINPOINT TEST C: DTC C1184 ABS SYSTEM IS NOT OPERATIONAL
C1 CHECK ANTI-LOCK BRAKE SYSTEM (ABS) FOR DIAGNOSTIC
TROUBLE CODES (DTCs)
NOTE: DTC C1184 ABS System Is Not Operational occurs if the ignition
key is cycled OFF/ON too fast. Do not carry out any pinpoint tests related
to the ABS unless the yellow ABS warning indicator is illuminated and
ABS DTCs occur.
• Retrieve ABS DTCs.
• Did any ABS DTCs occur?
C2 CHECK TRACTION INVERTER MODULE (TIM) FOR DTCs
• Clear the TIM DTCs.
• Turn the ignition key to the START position and retrieve DTCs from the
TIM.
• Does DTC U2015 Signal Link Fault (Non SCP) occur?
PINPOINT TEST D: DTCs C1233, C1234, C1235, AND C1236, WHEEL SPEED — INPUT SIGNAL MISSING
D1 CHECK MOUNTING OF ANTI-LOCK BRAKE SENSOR
• Inspect the anti-lock brake sensor in question for loose mounting.
• Is the anti-lock brake sensor secure?
D2 CHECK TONE RING
(Continued)
Anti-Lock Control
TEST STEP
TEST STEP
TEST STEP
ACTION TO TAKE
No = REPAIR the Y/BK wire
(RF), T/BK wire (LF),
PK/BK wire (RR), or
LG/BK wire (LR).
Yes = REPLACE the Anti-lock
Braking System
(ABS)/Hydraulic Control
Unit (HCV) assembly.
No = Concern is intermittent.
INSPECT all connections
for corrosion, pin pushout,
and terminal contact.
REPAIR as necessary.
ACTION TO TAKE
Yes = REFER to Symptom Chart.
GO to C2.
No =
Yes = GO to Pinpoint Test F.
No = System OK. CHECK for
intermittent wiring
connections.
ACTION TO TAKE
GO to D2.
Yes =
No = TIGHTEN the anti-lock
brake sensor to specification
and RETEST.
2001 Ranger EV, 01/2001
206-09-9