Ford Ranger EV (2001 year). Manual - part 204

418-00-7

418-00-7

Module Communications Network

DIAGNOSIS AND TESTING (Continued)

PINPOINT TEST C: THE MODULE DOES NOT RESPOND TO THE NGS TESTER — INTERFACE
ADAPTER ASSEMBLY (IAA) MODULE

TEST STEP

ACTION TO TAKE

•

With key OFF, disconnect IAA module C1945 and NGS Tester. Inspect

No =

REPAIR as necessary.

IAA module C1945 and data link connector (DLC) C209 for damage. 

•

Connect 104-Pin Breakout Box (BOB) to IAA module C1945; leave IAA

module disconnected. 

•

With key OFF, measure the voltage between BOB pins 75, 76 and

ground (BOB pin 80). (V > 10 volts) 

•

With key OFF, measure the resistance between BOB pins 80, 81, 87 and

ground. (R < 5 ohms) 

•

Is everything OK?

C2 CHECK CIRCUITS 914 (T/O) AND 915 (PK/LB) BETWEEN DLC

C209 AND IAA MODULE C1945 FOR OPEN(S)

•

With key OFF, measure the resistance of the T/O wire between pin 2 on

Yes =

GO to C3.

DLC C209 and BOB pin 28. 

•

With key OFF, measure the resistance of the PK/LB wire between pin 10 No =

GO to C4.

on DLC C209 and BOB pin 27. 

•

Are the connectors OK and are the resistances less than 5 ohms?

C3 CHECK IAA MODULE C1945 CONNECTION

•

Remove the BOB, reconnect IAA module C1945, and rerun DATA

Yes =

System OK.

LINK DIAGNOSTICS Network Test. 

•

Does the IAA module respond to NGS Tester?

No =

REPLACE the IAA module.

REFER to 

 Section 412-04

.

C4 CHECK CIRCUITS 914 (T/O) AND 915 (PK/LB) BETWEEN

IN-LINE C136M AND IAA MODULE C1945 FOR OPEN

•

With key OFF, disconnect in-line C136 and inspect C136M and C136F

Yes =

REPAIR the wire in

for damage. 

question between in-line

C136F and DLC C209.

REFER to Communication

Circuit Wiring Repair —

Module in Section 418-00

of the 2001 Ranger

Workshop Manual.

•

With key OFF, measure the resistance of the T/O wire between pin 25

No =

REPAIR the connectors

on in-line C136M and BOB pin 28. 

and/or the wire in question

•

With key OFF, measure the resistance of the PK/LB wire between pin 21

between in-line C136M and

on in-line C136M and BOB pin 27. 

IAA module C1945. REFER

•

Are the connectors OK and are the resistances less than 5 ohms?

to Communication Circuit

Wiring Repair — Module in

Section 418-00 of the 2001

Ranger Workshop Manual.

PINPOINT TEST D: THE MODULE DOES NOT RESPOND TO THE NGS TESTER — TRACTION INVERTER
MODULE (TIM)

TEST STEP

ACTION TO TAKE

D1 CHECK FUSE, POWER, AND GROUND TO TRACTION

INVERTER MODULE (TIM)

•

Check 10A fuse 9, and 7.5A fuse 11 and 7.5 fuse 24 the I/P fuse panel. 

Yes =

GO to D2.

(Continued)

418-00-8

418-00-8

Module Communications Network

DIAGNOSIS AND TESTING (Continued)

PINPOINT TEST D: THE MODULE DOES NOT RESPOND TO THE NGS TESTER — TRACTION INVERTER
MODULE (TIM)

TEST STEP

ACTION TO TAKE

•

With key OFF, disconnect TIM C4998, C4999 and NGS Tester. Inspect

No =

REPAIR as necessary.

TIM C4998, C4999 and DLC C209 for damage. 

•

Connect 104-Pin Breakout Box (BOB) to TIM C4998, C4999 using the

BCM/TIM BOB Adapter Cable & Overlay; leave the TIM disconnected. 

•

With key ON, measure the voltage between BOB pins A9, A10, A19,

A20 and ground (BOB pin A29). (V > 10 volts) 

•

With key OFF, measure the resistance between BOB pins A29, A39 and

ground. (R < 5 ohms) 

•

Are the values correct?

D2 CHECK CIRCUITS 914 (T/O) AND 915 (PK/LB) BETWEEN DATA

LINK CONNECTOR (DLC) C209 AND TRACTION INVERTER

MODULE (TIM) C4998 FOR OPEN(S)

•

With key OFF, measure the resistance of the T/O wire between pin 2 on

Yes =

GO to D3.

DLC C209 and BOB pin A5. 

•

With key OFF, measure the resistance of the PK/LB wire between pin 10 No =

GO to D4.

on DLC C209 and BOB pin A15. 

•

Are the connectors OK and are the resistances less than 5 ohms?

D3 CHECK TIM C4998, C4999 CONNECTION

•

Remove the BOB, reconnect TIM C4998, C4999 and rerun DATA LINK Yes =

System OK.

DIAGNOSTICS Network Test. 

•

Does the TIM respond to NGS Tester?

No =

REPLACE the TIM. REFER

to 

 Section 303-14

.

D4 CHECK CIRCUITS 914 (T/O) AND 915 (PK/LB) BETWEEN

IN-LINE C3999F AND DLC C209 FOR OPEN(S)

•

With key OFF, disconnect in-line C3999 and inspect C3999M and

Yes =

REPAIR the wire in

C3999F for damage. 

question between in-line

•

With key OFF, measure the resistance of the T/O wire between pin 11

C3999M and TIM C4998.

on in-line C3999F and pin 2 on DLC C209. 

REFER to Communication

Circuit Wiring Repair —

Module in Section 418-00

of the 2001 Ranger

Workshop Manual.

•

With key OFF, measure the resistance of the PK/LB wire between pin 9

No =

GO to D5.

on in-line C3999F and pin 10 on DLC C209. 

•

Are the connectors OK and are the resistances less than 5 ohms?

D5 CHECK CIRCUITS 914 (T/O) AND 915 (PK/LB) BETWEEN

IN-LINE C201F AND DLC C209 FOR OPEN(S)

•

With key OFF, disconnect in-line C201 and inspect C201M and C201F

Yes =

REPAIR the wire in

for damage. 

question between in-line

•

With key OFF, measure the resistance of the T/O wire between pin 71

C201M and in-line C3999F.

on in-line C201F and pin 2 on DLC C209. 

REFER to Communication

Circuit Wiring Repair —

Module in Section 418-00

of the 2001 Ranger

Workshop Manual.

•

With key OFF, measure the resistance of the PK/LB wire between pin 11 No =

REPAIR the connectors

on in-line C201F and pin 10 on DLC C209. 

and/or the wire in question

•

Are the connectors OK and is the resistance less than 5 ohms?

between in-line C201F and

DLC C209. REFER to

Communication Circuit

Wiring Repair — Module in

Section 418-00 of the 2001

Ranger Workshop Manual.

418-00-9

418-00-9

Module Communications Network

DIAGNOSIS AND TESTING (Continued)

PINPOINT TEST E: NO MODULE/NETWORK COMMUNICATION — ISO 9141 LINK

TEST STEP

ACTION TO TAKE

E1 CHECK NGS TESTER CONNECTOR AND DATA LINK

CONNECTOR (DLC) C209

•

With key OFF, disconnect NGS Tester. Inspect terminals 5 and 7 on

Yes =

GO to E2.

NGS Tester and pins 5 and 7 on DLC C209 for damage. 

•

Is everything OK?

No =

REPAIR as necessary.

E2 CHECK THE CENTRAL TIMER MODULE (CTM) FOR THE

SOURCE OF THE CONCERN

•

With key OFF, disconnect CTM C221 and inspect pin 25 for damage. 

Yes =

GO to E3.

•

Run DATA LINK DIAGNOSTICS Network Test. 

No =

REPAIR CTM C221 and/or

•

Is the connector OK and is the result retrieved: CKT70 = ALL

REPLACE the CTM.

MODULES NO RESP/NOT EQUIP?

REFER to Section 419-10

of the 2001 Ranger

Workshop Manual.

E3 CHECK THE ANTI-LOCK BRAKE CONTROL MODULE FOR

THE SOURCE OF THE CONCERN

•

With key OFF, disconnect anti-lock brake control module C1942 and

Yes =

GO to E4.

inspect pin 23 for damage. 

•

Run DATA LINK DIAGNOSTICS Network Test. 

No =

REPAIR anti-lock brake

•

Is the connector OK and is the result retrieved: CKT70 = ALL

control module C1942

MODULES NO RESP/NOT EQUIP?

and/or REPLACE the

anti-lock brake control

module. REFER to 

 Section

206-09

.

E4 CHECK CIRCUIT 70 (LB/W) BETWEEN IN-LINE C1941M AND

ANTI-LOCK BRAKE CONTROL MODULE C1942 FOR THE

SOURCE OF THE CONCERN

•

With key OFF, disconnect in-line C1941 and inspect pin 7 for damage. 

Yes =

GO to E5.

•

Run DATA LINK DIAGNOSTICS Network Test. 

No =

REPAIR the connectors

•

Are the connectors OK and is the result retrieved: CKT70 = ALL

and/or the LB/W wire

MODULES NO RESP/NOT EQUIP?

between in-line C1941M and

anti-lock brake control

module C1942.

E5 CHECK CIRCUIT 70 (LB/W) BETWEEN IN-LINE C1941F AND

IN-LINE C134M FOR THE SOURCE OF THE CONCERN

•

With key OFF, disconnect in-line C134 and inspect pin 16 for damage. 

Yes =

GO to E6.

•

Run DATA LINK DIAGNOSTICS Network Test. 

No =

REPAIR the connectors

•

Are the connectors OK and is the result retrieved: CKT70 = ALL

and/or the LB/W wire

MODULES NO RESP/NOT EQUIP?

between in-line C1941M and

in-line C134M.

E6 CHECK THE ELECTRONIC CRASH SENSOR (ECS) MODULE

FOR THE SOURCE OF THE CONCERN

•

With key OFF, deactivate the air bag system; refer to Section 501-20B

Yes =

GO to E7.

of the 2001 Ranger Workshop Manual. Disconnect ECS module C250

and inspect pin 19 for damage. 

•

Run DATA LINK DIAGNOSTICS Network Test. 

No =

REPAIR ECS module C250

•

Is the connector OK and is the result retrieved: CKT70 = ALL

and/or REPLACE the ECS

MODULES NO RESP/NOT EQUIP?

module. REFER to Section

501-20B of the 2001

Ranger Workshop Manual.

E7 CHECK CIRCUIT 70 (LB/W) FOR SHORT TO POWER

•

With key ON, measure the voltage between pin 7 (LB/W wire) and pin 5 Yes =

REPAIR the LB/W wire.

(BK/W wire) on DLC C209. 

(Continued)

418-00-10

418-00-10

Module Communications Network

DIAGNOSIS AND TESTING (Continued)

PINPOINT TEST E: NO MODULE/NETWORK COMMUNICATION — ISO 9141 LINK

TEST STEP

ACTION TO TAKE

•

Is the voltage greater than 0 volts?

No =

GO to E8.

E8 CHECK CIRCUIT 70 (LB/W) FOR SHORT TO GROUND

•

With key ON, measure the resistance between pin 7 (LB/W wire) and

Yes =

REPAIR the LB/W wire

pin 5 (BK/W wire) on DLC C209. 

between DLC C209 and

S2987 for an open.

•

Is the resistance greater than 10,000 ohms?

No =

REPAIR the LB/W wire.

PINPOINT TEST F: NO MODULE/NETWORK COMMUNICATION — SCP LINK

TEST STEP

ACTION TO TAKE

F1 CHECK THE NGS TESTER CONNECTOR AND DATA LINK

CONNECTOR (DLC) C209

•

With key OFF, disconnect NGS Tester. Inspect terminals 2 and 10 on the Yes =

GO to F2.

NGS Tester and pins 2 and 10 on DLC C209 for damage. 

•

Is everything OK?

No =

REPAIR as necessary.

F2 CHECK THE INTERFACE ADAPTER ASSEMBLY (IAA)

MODULE FOR THE SOURCE OF THE CONCERN

•

With key OFF, disconnect IAA module C1945 and inspect pins 27 and

Yes =

GO to F3.

28 for damage. 

•

Run DATA LINK DIAGNOSTICS Network Test. 

No =

REPAIR the connectors

•

Are the connectors OK and is the result retrieved: CKT914 or

and/or REPLACE the IAA

CKT915 = ALL MODULES NO RESP/NOT EQUIP?

module. REFER to 

 Section

412-04

.

F3 CHECK THE TRACTION INVERTER MODULE (TIM) FOR THE

SOURCE OF THE CONCERN

•

With key OFF, disconnect TIM C4998 and inspect pins 5 and 15 for

Yes =

GO to F4.

damage. 

•

Run DATA LINK DIAGNOSTICS Network Test. 

No =

REPAIR the connectors

•

Are the connectors OK and is the result retrieved: CKT914 or

and/or REPLACE the TIM.

CKT915 = ALL MODULES NO RESP/NOT EQUIP?

REFER to 

 Section 303-14

.

F4 CHECK THE BATTERY CONTROL MODULE (BCM) AND

CIRCUITS 914 (T/O) AND 915 (PK/LB) BETWEEN IN-LINE C1939F

AND BCM FOR THE SOURCE OF THE CONCERN

•

With key OFF, disconnect in-line C1939 and inspect pins 58 and 59 for

Yes =

GO to F6.

damage. 

•

Run DATA LINK DIAGNOSTICS Network Test. 

No =

GO to F5.

•

Are the connectors OK and is the result retrieved: CKT914 or

CKT915 = ALL MODULES NO RESP/NOT EQUIP?

F5 CHECK THE BCM FOR THE SOURCE OF THE CONCERN

•

With key OFF, reconnect in-line C1939. Disconnect BCM C1987 and

Yes =

REPAIR the T/O wire

inspect pins 20 and 21 for damage. 

and/or PK/LB wire between

in-line C1939F and BCM

C1987. REFER to

Communication Circuit

Wiring Repair — Module in

Section 418-00 of the 2001

Ranger Workshop Manual.

•

Run DATA LINK DIAGNOSTICS Network Test. 

No =

REPAIR the connectors

•

Are the connectors OK and is the result retrieved: CKT914 or

and/or REPLACE the BCM.

CKT915 = ALL MODULES NO RESP/NOT EQUIP?

REFER to 

 Section 414-03A

 or 

 Section 414-03B

.

F6 CHECK CIRCUITS 914 (T/O) AND 915 (PK/LB) FOR SHORT(S)

TO POWER

(Continued)