Ford Falcon. Manual — part 386

418-00-15

Module Communications Network

418-00-15

DIAGNOSIS AND TESTING (Continued)

Test Step

Result / Action to Take

J3

: CHECK FOR CORRECT ABS/EVAC FILL OPERATION

Disconnect all ABS/EVAC FILL connectors.

Yes

INSTALL a new ABS/EVAC FILL module. Refer

Check for:

to Section 206-09. CARRY OUT the DATA LINK

Corrosion

DIAGNOSTICS test.

Pushed-out pins

No

The system is operating correctly at this time.

Connect all ABS/EVAC FILL connectors and make sure they seat

Concern may have been caused by a loose, or a

correctly.

corroded connector. CLEAR the DTCs. REPEAT

Operate the system and verify the concern is still present.

the self-test.

Is the concern still present?

PINPOINT TEST K : NO MODULE / NETWORK COMMUNICATION- ISO 9141 NETWORK

Test Step

Result / Action to Take

K1

CHECK THE SCAN TOOL FOR DAMAGE

Inspect scan tool tester circuit 70 pin for dam-age.

Yes

Go to K2

Is the scan tool OK?

No

REPAIR the scan tool tester as necessary.
CARRY OUT the DATA LINK DIAGNOSTICS
test.

K2

CHECK THE DLC C174 FOR DEMAGE

Key in OFF position.

Yes

Go to K3

Inspect DLC C174 circuit 70C (SB-W).

No

Is DLC C174 OK?

REPAIR the DLC C174. CARRY OUT the DATA
LINK DIAGNOSTICS test.

K3

CHECK PAM CIRCUIT 70 (SB-W) FOR OPEN

Disconnect PAM C369.

Yes

Go to K4

Measure the resistance between PAM C369, circuit 70 (SB-W),
harness side and DLC C174, circuit 70C (SB-W).

No

REPAIR circuit 70 (SB-W) between the DLC

Is the resistance less than 5 ohms?

C174 and PAM C369. CARRY OUT the DATA
LINK DIAGNOSTICS test.

K4

CHECK CIRCUIT 70 (SB-W) FOR SHORT TO GROUND AND

POWER - PAM MODULE DISCONNECTED

Key in ON position.

Yes

Go to K10

Enter the following diagnostic mode on the diagnostic tool: DATA
LINK DIAGNOSTICS Test.

No

Go to K9

Did the diagnostic tool indicate SYSTEM PASSED?

K5

CHECK RCM CIRCUIT 70B (SB-W) FOR OPEN

Key in OFF position.

Yes

Go to K6

Disconnect RCM C189.

No

Measure the resistance between RCM C189, circuit 70B (SB-W),

REPAIR circuit 70 (SB-W) between the DLC

harness side and DLC C174, circuit 70C (SB-W).

C174 and RCM C189. CARRY OUT the DATA

Is the resistance less than 5 ohms?

LINK DIAGNOSTICS test.

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418-00-16

Module Communications Network

418-00-16

DIAGNOSIS AND TESTING (Continued)

Test Step

Result / Action to Take

K6

CHECK CIRCUIT 70 (SB-W) FOR SHORT TO GROUND AND

POWER - RCM DISCONNECTED

Key in ON position.

Yes

Go to K11

Enter the following diagnostic mode on the diagnostic tool: DATA
LINK DIAGNOSTICS Test.

No

Go to K7

Did the diagnostic tool indicate SYSTEM PASSED?

K7

CHECK ABS/TCS CIRCUIT 70 (SB-W) FOR OPEN

Disconnect ABS/TCS C150.

Yes

Go to K8

Measure the resistance between ABS/TCS C150, circuit 70 (SB-W),
harness side and DLC C174, circuit 70C (SB-W).

No

REPAIR circuit(s) 70 (SB-W) between the DLC

Is the resistance less than 5 ohms?

C174 and ABS/TCS C150. CARRY OUT the
DATA LINK DIAGNOSTICS test.

K8

CHECK CIRCUIT 70 (SB-W) FOR SHORT TO GROUND AND

POWER-ABS/TCS MODULE DISCONNECTED

Key in ON position.

Yes

Go to K12

Enter the following diagnostic mode on the diagnostic tool: DATA
LINK DIAGNOSTICS Test.

No

Go to K9

Did the diagnostic tool indicate SYSTEM PASSED?

K9

CHECK THE EVAC AND FILL C386 FOR DAMAGE

Key in OFF position.

Yes

REPAIR the circuit between the ABS/TCS

Inspect the EVAC and fill C386 circuit 70 (SB-W).

module C150, EVAC and fill C386 and the DLC
C174. CARRY OUT the DATA LINK

Is DLC C174 OK?

DIAGNOSTICS test.

No

REPAIR the EVAC and fill C386. CARRY OUT
the DATA LINK DIAGNOSTICS test.

K10

CHECK FOR CORRECT PAM OPERATION

Disconnect all PAM connectors.

Yes

INSTALL a new PAM module. Refer to Section

Check for:

413-13. CARRY OUT the DATA LINK

Corrosion

DIAGNOSTICS test.

Pushed-out pins

No

The system is operating correctly at this time.

Connect all PAM connectors and make sure they seat correctly.

Concern may have been caused by a loose or

Operate the system and verify the concern is still present.

corroded connector. CLEAR the DTCs. REPEAT
the self-test.

Is the concern still present?

K11

CHECK FOR CORRECT RCM OPERATION

Disconnect all RCM connectors.

Yes

INSTALL a new RCM module. Refer to Section

Check for:

501-20b. CARRY OUT the DATA LINK

Corrosion

DIAGNOSTICS test.

Pushed-out pins

No

The system is operating correctly at this time.

Connect all RCM connectors and make sure they seat correctly.

Concern may have been caused by a loose or

Operate the system and verify the concern is still present.

corroded connector. CLEAR the DTCs. REPEAT
the self-test.

Is the concern still present?

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418-00-17

Module Communications Network

418-00-17

DIAGNOSIS AND TESTING (Continued)

Test Step

Result / Action to Take

K12

CHECK FOR CORRECT ABS/TCS OPERATION

Disconnect all ABS/TCS connectors.

Yes

INSTALL a new ABS/TCS module. Refer to

Check for:

Section 206-09. CARRY OUT the DATA LINK

Corrosion

DIAGNOSTICS test.

Pushed-out pins

No

The system is operating correctly at this time.

Connect all ABS/TCS connectors and make sure they seat correctly.

Concern may have been caused by a loose or

Operate the system and verify the concern is still present.

corroded connector. CLEAR the DTCs. REPEAT
the self-test.

Is the concern still present?

PINPOINT TEST L : NO MODULE / NETWORK COMMUNICATION - HS-CAN NETWORK

Test Step

Result / Action to Take

L1

CHECK DIAGNOSTIC TOOL TESTER CIRCUITS 914 AND 915

FOR DAMAGE

Inspect diagnostic tool tester circuits 914 and 915 for damage.

Yes

Go to L2

Is the diagnostic tool tester OK?

No

REPAIR the diagnostic tool. CARRY OUT the
DATA LINK DIAGNOSTICS test.

L2

CHECK DLC C174 CIRCUITS 914K AND 915K FOR DAMAGE

Key in OFF position.

Yes

Go to L3

Inspect DLC C174 circuits 914K and 915K. Check the pins and the
wires for damage.

No

REPAIR DLC C174. CARRY OUT the DATA

Is the DLC C174 OK?

LINK DIAGNOSTICS test.

L3

CHECK CIRCUITS 914 (BR-Y) AND 915 (P-L) FOR SHORT TO

BATTERY AND SHORT TO GROUND WITH PCM C301

DISCONNECTED

Key in OFF position.

Yes

Go to L10

Disconnect PCM C301.

No

Key in ON position.

Go to L4

Enter the following diagnostic mode on the diagnostic tool: DATA
LINK DIAGNOSTICS Test.

Did the diagnostic tool indicate SYSTEM PASSED?

L4

CHECK CIRCUITS 914 (BR-Y) AND 915 (P-L) FOR SHORT TO

BATTERY AND SHORT TO GROUND WITH ABS/TCS C150
DISCONNECTED

Key in OFF position.

Yes

Go to L11

Connect PCM C301.

No

Disconnect ABS/TCS C150.

Go to L5

Key in ON position.

Enter the following diagnostic mode on the diagnostic tool: DATA
LINK DIAGNOSTICS Test.

Did the diagnostic tool indicate SYSTEM PASSED?

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Module Communications Network

418-00-18

DIAGNOSIS AND TESTING (Continued)

Test Step

Result / Action to Take

L5

CHECK CIRCUITS 914 (BR-Y) AND 915 (P-L) FOR SHORT TO

BATTERY AND SHORT TO GROUND WITH HIM C376
DISCONNECTED

Key in OFF position.

Yes

Go to L12

Connect ABS/TCS C150.

No

Disconnect HIM C376.

Go to L6

Key in ON position.

Enter the following diagnostic mode on the diagnostic tool: DATA
LINK DIAGNOSTICS Test.

Did the diagnostic tool indicate SYSTEM PASSED?

L6

CHECK CIRCUITS 914 (BR-Y) AND 915 (P-L) FOR SHORT TO

BATTERY AND SHORT TO GROUND WITH THE IN-LINE C119
DISCONNECTED

Key in OFF position.

Yes

REPAIR the circuit in question between in-line

Connect HIM C376.

C119 and HIM C376. REFER to Communication
Circuit Wiring Repair in this section. CARRY

Disconnect In-line C119.

OUT the DATA LINK DIAGNOSTICS test.

Key in ON position.

No

Enter the following diagnostic mode on the diagnostic tool: DATA

Go to L7

LINK DIAGNOSTICS Test.

Did the diagnostic tool indicate SYSTEM PASSED?

L7

CHECK CIRCUITS 914 (BR-Y) AND 915 (P-L) FOR SHORT TO

BATTERY AND SHORT TO GROUND WITH BEM C173
DISCONNECTED

Key in OFF position.

Yes

Go to L13

Connect In-line C119.

No

Disconnect BEM C173.

Go to L8

Key in ON position.

Enter the following diagnostic mode on the diagnostic tool: DATA
LINK DIAGNOSTICS Test.

Did the diagnostic tool indicate SYSTEM PASSED?

L8

CHECK CIRCUITS 914 (BR-Y) AND 915 (P-L) FOR SHORT TO

BATTERY AND SHORT TO GROUND WITH ICC C364
DISCONNECTED

Key in OFF position.

Yes

Go to L15

Connect BEM C173.

No

Disconnect ICC C364.

Go to L9

Key in ON position.

Enter the following diagnostic mode on the diagnostic tool:
DATA LINK DIAGNOSTICS Test.

Did the diagnostic tool indicate SYSTEM PASSED?

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