Ford Electric Ranger 2001 Manual page 375

413-01-20
DIAGNOSIS AND TESTING (Continued)
PINPOINT TEST J: POWER RESET INDICATOR DOES NOT OPERATE OR STAYS ON CONTINUOUSLY
• With key OFF, connect a jumper wire between BOB pin 9 and ground
(BOB pin 80).
• Does the power reset indicator illuminate?
J4 CHECK POWER RESET INDICATOR BULB
• With key OFF, remove and check the power reset indicator bulb.
• Is the bulb OK?
J5 CHECK CIRCUIT 3402 (W/BK) FOR OPEN
• With key OFF, disconnect instrument cluster C215 and measure the
resistance of the W/BK wire between pin 2 on instrument cluster C215
and BOB pin 9.
• Is the resistance less than 5 ohms?
J6 CHECK CIRCUIT 3402 (W/BK) FOR SHORT TO POWER
• With key ON, measure the voltage between BOB pin 9 and ground
(BOB pin 80).
• Is the voltage greater than 0 volts?
J7 CHECK POWER TO INSTRUMENT CLUSTER
• With key OFF, measure the voltage between pin 1 (LB wire), pin 12 (LB Yes =
wire) on instrument cluster C215 and ground.
• Is the voltage greater than 10 volts?
J8 CHECK INSTRUMENT CLUSTER
• Connect 104-Pin Breakout Box (BOB) to the IAA module and IAA
module C1945.
• With key OFF, disconnect instrument cluster C215 and measure the
resistance between BOB pin 9 and ground (BOB pin 80).
• Is the resistance greater than 10,000 ohms?
J9 CHECK CIRCUIT 3402 (W/BK) FOR SHORT TO GROUND
• With key OFF, disconnect the IAA module from the BOB; leave BOB
connected to IAA module C1945.
• With key OFF, measure the resistance between BOB pin 9 and ground
(BOB pin 80).
• Is the resistance greater than 10,000 ohms?
PINPOINT TEST K: CHARGE INDICATOR DOES NOT OPERATE OR STAYS ON CONTINUOUSLY
K1 IDENTIFY SYMPTOM
NOTE: Verify the vehicle is not connected to a power control station
(PCS) before carrying out the following test steps.
• With key ON, identify the symptom.
• Does the charge indicator stay on continuously?
K2 CHECK OPERATION OF CHARGE INDICATOR
• Enter the interface adapter assembly (IAA) module active command
mode INDICATOR LAMP CONTROL III and set the active command
CHARGE to ON.
• Does the charge indicator illuminate?
K3 CHECK CHARGE INDICATOR CONTROL CIRCUIT
• Connect 104-Pin Breakout Box (BOB) to interface adapter assembly
(IAA) module C1945; leave IAA module disconnected.
(Continued)
Instrument Cluster
TEST STEP
TEST STEP
ACTION TO TAKE
No = GO to J4.
GO to J5.
Yes =
No = REPLACE the bulb.
Yes = GO to J6.
No = REPAIR the W/BK wire.
Yes = REPAIR the W/BK wire.
No = GO to J7.
REPLACE the instrument
cluster.
No = REPAIR the LB wire(s) in
question.
Yes = REPLACE the instrument
cluster.
No = GO to J9.
Yes = REPLACE the IAA module.
REFER to Section 412-04.
No = REPAIR the W/BK wire.
ACTION TO TAKE
Yes = GO to K8.
GO to K2.
No =
Yes = System OK. CHECK wiring
for intermittent connections.
GO to K3.
No =
Yes = REPLACE the IAA module.
REFER to Section 412-04.
2001 Ranger EV, 01/2001
413-01-20