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Honda Ridgeline. Manual - part 104

０１

ＳＪＣ８Ａ００Ｋ７７１０００Ｕ０１１４ＦＡＡＴ００

−

DTC U0114:

YES

11-180

PGM-FI System

DTC Troubleshooting (cont’d)

VTM-4 CONTROL UNIT 22P CONNECTOR

CANH
(WHT)

CANL*
(RED)

F-CAN Malfunction (VTM-4

Control Unit-PCM)

NOTE:

• Before you troubleshoot, record all freeze data and

any on-board snapshot, and review the general
troubleshooting information (see page 11-3).

• If DTC U0073 is stored at the same time as DTC

U0114, troubleshoot DTC U0073 first, then recheck
for DTC U0114.

1. Turn the ignition switch ON (II).

2. Clear the DTC with the HDS.

3. Check for Temporary DTCs or DTCs in the DTCs

MENU with the HDS.

Go to step 4.

Intermittent failure, the system is OK at this

time. Check for poor connections or loose terminals
at the gauge control module, the VTM-4 control unit,
and the PCM.

4. Check for DTCs in the DTCs MENU with the HDS.

Go to step 5.

Go to step 8.

5. Turn the ignition switch OFF.

6. Disconnect the VTM-4 control unit 22P connector.

7. Check for continuity between VTM-4 control unit

22P connector terminals No. 11 and No. 22 .

Substitute a known-good VTM-4 control unit,

then go to step 15 and recheck. If no DTCs are
indicated, replace the original VTM-4 control unit,
then go to step 15.

Repair open in the wire between the VTM-4

control unit (No. 11 (No. 22) ) and the PCM (A36
(A1) ), then go to step 15.

: CANL line

8. Check for poor connections at the VTM-4 control

unit 22P connector and 12P connector.

Go to step 9.

Repair the connections, then go to step 15.

Wire side of female terminals

Is DT C U0114 indicated?

Is T CS DT C 41 indicated?

Is ther e continuity?

Ar e the connections OK ?

０２

０３

０４

＋

−

YES

11-181

VTM-4 CONTROL UNIT 12P CONNECTOR

B (RED/BLU)

VTM-4 CONTROL UNIT 12P CONNECTOR

PG (BLK)

LG (BLK)

VTM-4 CONTROL UNIT 22P CONNECTOR

LG (BLK)

9. Turn the ignition switch OFF.

10. Disconnect the VTM-4 control unit 12P connector.

11. Turn the ignition switch ON (II).

12. Measure voltage between VTM-4 control unit 12P

connector terminal No. 7 and body ground.

Go to step 13.

Check for a VTM-4 system DTC 44-1 (see page

15-30). If DTC 44-1 is indicated, troubleshoot and
repair as needed, then go to step 15. If DTC 44-1 is
not indicated, go to step 15.

13. Turn the ignition switch OFF.

14. Check for continuity between VTM-4 control unit

12P connector terminals No. 5 and No. 12 and body
ground, and between VTM-4 control unit 22P
connector terminal No. 10 and body ground
individually.

Substitute a known-good VTM-4 control unit,

then go to step 15 and recheck. If no DTCs are
indicated, replace the original VTM-4 control unit,
then go to step 15.

Repair open in the wire between the VTM-4

control unit and body ground (G501), then go to
step 15.

15. Reconnect all connectors.

16. Turn the ignition switch ON (II).

17. Reset the PCM with the HDS.

18. Do the PCM idle learn procedure (see page 11-273).

19. Check for Temporary DTCs or DTCs in the DTCs

MENU with the HDS.

Check for poor connections or loose

terminals at the gauge control module, the VTM-4
control unit, and the PCM, then go to step 1.

Troubleshooting is complete. If any other

Temporary DTCs or DTCs indicated, go to the
indicated DTC’s troubleshooting.

Wire side of female terminals

Is ther e batter y voltage?

Is ther e continuity?

Is DT C U0114 indicated?

０１

ＳＪＣ８Ａ００Ｋ７７１０００Ｕ０１２２ＦＡＡＴ００

−

DTC U0122:

YES

11-182

PGM-FI System

DTC Troubleshooting (cont’d)

VSA MODULATOR-CONTROL UNIT 46P CONNECTOR

CANL* (RED)

CANH (WHT)

F-CAN Malfunction (VSA

Modulator-Control Unit-PCM)

NOTE:

• Before you troubleshoot, record all freeze data and

any on-board snapshot, and review the general
troubleshooting information (see page 11-3).

• If DTC U0073 is stored at the same time as DTC

U0122, troubleshoot DTC U0073 first, then recheck
for DTC U0122.

1. Turn the ignition switch ON (II).

2. Clear the DTC with the HDS.

3. Check for Temporary DTCs or DTCs in the DTCs

MENU with the HDS.

Go to step 4.

Intermittent failure, the system is OK at this

time. Check for poor connections or loose terminals
at the gauge assembly, the VSA modulator-control
unit, and the PCM.

4. Check for DTCs in the DTCs MENU with the HDS.

Go to step 5.

Go to step 8.

5. Turn the ignition switch OFF.

6. Disconnect the VSA modulator-control unit 46P

connector.

7. Check for continuity between VSA modulator-

control unit 46P connector terminals No. 12 and
No. 33.

Substitute a known-good VSA modulator-

control unit, then go to step 15 and recheck. If no
DTCs are indicated, replace the original VSA
modulator-control unit, then go to step 15.

Repair open in the wire between the VSA

modulator-control unit (No. 35 (No. 14) ) and the
PCM (A36 (A1) ), then go to step 15.

: CANL line

8. Check for a poor connection at the VSA modulator-

control unit 46P connector.

Go to step 9.

Repair the connection(s), then go to step 15.

Wire side of female terminals

Is DT C U0122 indicated?

Is V SA DT C 86 indicated?

Is ther e continuity?

Ar e the connections OK ?

０２

０３

−

YES

11-183

VSA MODULATOR-CONTROL UNIT 46P CONNECTOR

IG1 (GRN/WHT)

VSA MODULATOR-CONTROL UNIT 46P CONNECTOR

GND (BLK)

9. Turn the ignition switch OFF.

10. Disconnect the VSA modulator-control unit 46P

connector.

11. Turn the ignition switch ON (II).

12. Measure voltage between VSA modulator-control

unit 46P connector terminal No. 40 and body
ground.

Go to step 13.

Check the No. 31 VSA/ABS (7.5 A) fuse in the

under-dash fuse/relay box. If the fuse is OK, repair
open in the wire between the No. 31 VSA/ABS
(7.5 A) fuse and the VSA modulator-control unit,
then go to step 15.

13. Turn the ignition switch OFF.

14. Check for continuity between VSA modulator-

control unit 46P connector terminals No. 43 and
No. 46 and body ground.

Substitute a known-good VSA modulator-

control unit, then go to step 15 and recheck. If no
DTCs are indicated, replace the original VSA
modulator-control unit, then go to step 15.

Repair open in the wire between the VSA

modulator-control unit and body ground (G302),
then go to step 15.

15. Reconnect the VSA modulator-control unit 46P

connector.

16. Turn the ignition switch ON (II).

17. Reset the PCM with the HDS.

18. Do the PCM idle learn procedure (see page 11-273).

19. Check for Temporary DTCs or DTCs in the DTCs

MENU with the HDS.

Check for poor connections or loose

terminals at the gauge assembly, the VSA
modulator-control unit, and the PCM, then go to
step 1.

Troubleshooting is complete. If any other

Temporary DTCs or DTCs are indicated, go to the
indicated DTC’s troubleshooting.

Wire side of female terminals

Is ther e batter y voltage?

Is ther e continuity?

Is DT C U0122 indicated?

Content .. 102 103 104 105 ..