Fuse - Ford Electric Ranger 2001 Manual

100-07-25
DIAGNOSIS AND TESTING (Continued)
Symptom Chart
Symptom Chart
Condition
DTC B1342 ECU Is
•
Defective (IAA Module)
DTC B1555 Ignition
•
Run/Start - Circuit Failure
DTC B2477 Module
•
Configuration Failure
Pinpoint Tests
Special Tool(s)
104-Pin Breakout Box (BOB) 418-049 (014-00950) or
equivalent
PINPOINT TEST A : DTC B1342 ECU IS DEFECTIVE (IAA MODULE)
A1 CHECK INTERFACE ADAPTER ASSEMBLY (IAA) MODULE
OPSTATE PID
• With key ON, monitor the IAA module PID OPSTATE.
• Does the OPSTATE PID indicate 32 (Power On Self-Test Failed)?
A2 PERFORM ON-DEMAND SELF-TEST
• Perform the On-Demand Self-Test for the IAA module.
• Does DTC B1342 occur?
PINPOINT TEST B: DTC B1555 IGNITION RUN/START - CIRCUIT FAILURE
B1 CHECK FUSE
• Check 15A fuse 19 in the I/P fuse panel.
• Is the fuse OK?
B2 CHECK POWER (KEY RUN SIGNAL) TO INTERFACE
ADAPTER ASSEMBLY (IAA) MODULE
• Connect 104-Pin Breakout Box (BOB) to IAA module C1945; leave IAA Yes =
module disconnected.
• With key ON, measure the voltage between BOB pin 97 and ground
(BOB pin 80).
• Is the voltage greater than 10 volts?
Electric Vehicle (EV) Diagnostic Direction
Possible Sources
Interface adapter assembly
•
(IAA) module.

Fuse.

•
Circuit.
•
Interface adapter assembly
•
(IAA) module.
Traction inverter module
•
(TIM).
Battery control module
•
(BCM).
TEST STEP
TEST STEP
Action
GO to Pinpoint Test A.
•
GO to Pinpoint Test B.
•
GO to Pinpoint Test C.
•
ACTION TO TAKE
Yes REPLACE the IAA module.
= REFER to Section
No = GO to A2.
Yes REPLACE the IAA module.
= REFER to Section
No = System OK. CLEAR the
DTCs from the IAA
module's continuous
memory.
ACTION TO TAKE
Yes = GO to B2.
No = REPLACE the fuse. If the
fuse fails again,
CHECK/REPAIR for a short
to ground.
REPLACE the IAA module.
REFER to Section
No = REPAIR circuit 295 (LB/PK
wire).
2001 Ranger EV, 01/2001
100-07-25
412-04.
412-04.
412-04.