Ford 2001 Ranger, Manual

Page: 172 / 1218

206-09-12 206-09-12 Anti-Lock Control
DIAGNOSIS AND TESTING (Continued)
PINPOINT TEST F: DTC U2015 SIGNAL LINK FAULT (NON SCP)
TEST STEP ACTION TO TAKE
•
With key ON, measure the voltage between BOB pin B6 and ground No = REPLACE the anti-lock
(BOB pin A29). brake control module.
•
Is the voltage greater than 0 volts?
F8 CHECK CIRCUITS 491 (O/LB) (ABS ACTIVE LINE) FOR
SHORT(S) TO GROUND
•
Connect 104-Pin Breakout Box (BOB) to TIM C4998, C4999 using the Yes = GO to F9.
BCM/TIM BOB Adapter and Overlay; leave the TIM disconnected.
•
With key OFF, remove 5A fuse 24 from the EVPDB and measure the No = REPAIR the wire(s) in
resistance between BOB pin B6 and ground (BOB pin A29). question.
•
With key OFF, disconnect pump motor C1944 and measure the
resistance between the O/LB wire on pump motor C1944 and ground.
•
Are the resistances greater than 10,000 ohms?
F9 CHECK TIM FOR SHORT TO GROUND
•
With key OFF, connect BOB to TIM; leave BOB connected to TIM Yes = REPLACE the TIM. REFER
C4998, C4999. to Section 303-14.
•
With key OFF, disconnect anti-lock brake control module and measure No = REPLACE the Anti-lock
the resistance between BOB pin B6 and ground (BOB pin A29). Braking System
•
Is the resistance less than 5 ohms?
(ABS)/Hydraulic Control
Unit (HCV) assembly.
F10 CHECK ABS WARNING INDICATOR INPUT STATUS
•
Monitor TIM PID ABS WI. Yes = GO to F11.
•
Does the ABS WI PID indicate ENABLE?
No = GO to F13.
F11 CHECK CIRCUITS 224 (T/W)/603 (DG) (ABS FAULT LINE) FOR
SHORT TO GROUND
•
Connect breakout box (BOB) to TIM C4998 and C4999 using the Yes = GO to F12.
BCM/TIM BOB Adapter and Overlay; leave TIM disconnected.
•
With key OFF, disconnect anti-lock brake control module C154, No = REPAIR the T/W or DG
instrument cluster C216 and measure the resistance between BOB pin B1 wire.
and ground (BOB pin A29).
•
Is the resistance greater than 10,000 ohms?
F12 CHECK ANTI-LOCK BRAKE CONTROL MODULE
•
With key OFF, reconnect anti-lock brake control module C154 and Yes = REPLACE the Anti-lock
measure the resistance between BOB pin B1 and ground (BOB pin A29). Braking System
(ABS)/Hydraulic Control
Unit (HCV) assembly.
•
Is the resistance less than 5 ohms?
No = REPLACE the TIM. REFER
to Section 303-14.
F13 CHECK CIRCUITS 224 (T/W)/603 (DG) (ABS FAULT LINE) FOR
OPEN
•
Connect breakout box (BOB) to TIM C4998 and C4999 using the TIM Yes = GO to F14.
BOB adapter and overlay; leave TIM disconnected.
•
With key OFF, disconnect anti-lock brake control module C154 and No = REPAIR the T/W or DG
measure the resistance between pin 16 on the anti-lock brake control wire.
module C154 and BOB pin B1.
•
Is the resistance less than 5 ohms?
F14 CHECK CIRCUITS 224 (T/W)/603 (DG) (ABS FAULT LINE) FOR
SHORT TO POWER
•
With key ON, measure the voltage between BOB pin B1 and ground Yes = REPAIR the T/W or DG
(BOB pin A29). wire.
•
Is the voltage greater than 0 volts?
No = REPLACE the TIM. REFER
to Section 303-14.
2001 Ranger EV, 01/2001