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Acura RSX Honda Integra. Manual - part 124

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DTC P0630:

YES

11-202

PGM-FI System

DTC Troubleshooting (cont’d)

VIN Not Programmed or

Mismatch
(2005-2006 models)

NOTE: This DTC is stored only when the ECM/PCM does
not have the VIN information of the vehicle. Use the
HDS to fill the missing VIN information.

1. Turn the ignition switch ON (II).

2. Check the VIN with the HDS.

Go to step 5.

Go to step 3.

3. Input the VIN to the ECM/PCM with the HDS.

Go to step 5.

Go to step 4.

4. Check for DTCs with the HDS.

Go to the DTC P0603 troubleshooting.

Update the ECM/PCM if it does not have the

latest software, or substitute a known-good ECM/
PCM (see page 11-6), then recheck. If the symptom/
indication goes away with a known-good ECM/PCM,
replace the original ECM/PCM (see page 11-284).

5. Clear the DTC with the HDS.

6. Turn the ignition switch OFF.

7. Turn the ignition switch ON (II), and wait 5 seconds.

8. Check for Temporary DTCs or DTCs with the HDS.

If DTC P0630 is indicated, update the ECM/

PCM if it does not have the latest software, or
substitute a known-good ECM/PCM (see page 11-6),
then recheck. If any other Temporary DTCs or DTCs
are indicated, go to the indicated DTC’s
troubleshooting.

Intermittent failure, system is OK at this

time.

Does the HDS show the vehicle’s V IN?

Does the scr een show COMPLET E?

Is DT C P0603 indicated?

Ar e any T empor ar y DT Cs or DT Cs indicated?

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DTC P0685:

DTC P0700:

YES

11-203

ECM/PCM Power Control Circuit/

Internal Circuit Malfunction
(2005-2006 models)

A/T Control System Malfunction

NOTE: If the problem doesn’t return after you clear the
DTC, or if this DTC is stored intermittently, check for
loose terminals at the IGP line connectors before
replacing the ECM/PCM.

1. Turn the ignition switch ON (II).

2. Clear the DTC with the HDS.

3. Start the engine, then let it idle for 30 seconds.

4. Turn the ignition switch OFF.

5. Start the engine, then let it idle for 30 seconds.

6. Turn the ignition switch OFF.

7. Turn the ignition switch ON (II).

8. Check for Temporary DTCs or DTCs with the HDS.

Update the ECM/PCM if it does not have the

latest software, or substitute a known-good ECM/
PCM (see page 11-6), then recheck. If the symptom/
indication goes away with a known-good ECM/PCM,
replace the original ECM/PCM (see page 11-284).

Intermittent failure, system is OK at this

time.

NOTE: This DTC is stored when there is a problem in
the A/T control system. Check for A/T DTCs with the
HDS, and go to the indicated DTC’s troubleshooting.

Is DT C P0685 indicated?

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DTC P0720:

YES

11-204

PGM-FI System

DTC Troubleshooting (cont’d)

OUTPUT SHAFT (COUNTERSHAFT)
SPEED SENSOR 3P CONNECTOR

VCC1
(YEL/RED)

NC
(BLU)

OUTPUT SHAFT (COUNTERSHAFT)
SPEED SENSOR 3P CONNECTOR

VCC1
(YEL/RED)

SG1
(GRN/WHT)

OUTPUT SHAFT (COUNTERSHAFT)
SPEED SENSOR 3P CONNECTOR

Output Shaft (Countershaft)

Speed Sensor Circuit Malfunction
(2005-2006 models)

NOTE: This DTC only occurs on M/T vehicles.

1. Start the engine. Hold the engine speed at

3,000 rpm without load (in neutral) until the
radiator fan comes on, then let it idle.

2. Test-drive several miles.

3. Check the C SHAFT SPD in the DATA LIST with the

HDS.

Intermittent failure, system is OK at this time.

Check for poor connections or loose terminals at
the output shaft (countershaft) speed sensor and
the ECM.

Go to step 4.

4. Turn the ignition switch OFF.

5. Disconnect the output shaft (countershaft) speed

sensor 3P connector.

6. Turn the ignition switch ON (II).

7. Measure voltage between output shaft

(countershaft) speed sensor 3P connector terminal
No. 1 and body ground.

Go to step 8.

Repair open in the wire between the ECM

(A21) and the output shaft (countershaft) speed
sensor, then go to step 17.

8. Measure voltage between output shaft

(countershaft) speed sensor 3P connector terminal
No. 2 and body ground.

Go to step 9.

Go to step 10.

9. Measure voltage between output shaft

(countershaft) speed sensor 3P connector terminals
No. 1 and No. 3.

Go to step 15.

Repair open in the wire between the output

shaft (countershaft) speed sensor and G101, then
go to step 17.

Wire side of female terminals

Is any vehicle speed indicated?

Is ther e about 5 V ?

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YES

11-205

NC (BLU)

ECM CONNECTOR A (31P)

NC (BLU)

ECM CONNECTOR A (31P)

10. Measure voltage between ECM connector terminal

A18 and body ground.

Repair open in the wire between the ECM

(A18) and the output shaft (countershaft) speed
sensor, then go to step 17.

Go to step 11.

11. Turn the ignition switch OFF.

12. Jump the SCS line with the HDS.

13. Disconnect ECM connector A (31P).

14. Check for continuity between ECM connector

terminal A18 and body ground.

Repair short in the wire between the ECM

(A18) and the output shaft (countershaft) speed
sensor, then go to step 17.

Go to step 24.

15. Turn the ignition switch OFF.

16. Replace the output shaft (countershaft) speed

sensor (see page 11-283), then go to step 17.

17. Reconnect all connectors.

18. Turn the ignition switch ON (II).

19. Reset the ECM with the HDS.

20. Do the ECM idle learn procedure (see page 11-349).

21. Test-drive under these conditions:

• Engine coolant temperature above 158 °F (70 °C)
• Transmission in 5th gear
• Engine speed at 2,000

3,000 rpm

• Drive for several minutes, then decelerate (with

the throttle fully closed) for 8 seconds

22. Check for Temporary DTCs or DTCs with the HDS.

If DTC P0720 is indicated, check for poor

connections or loose terminals at the output shaft
(countershaft) speed sensor and the ECM, then go
to step 1. If any other Temporary DTCs or DTCs are
indicated, go to the indicated DTC’s
troubleshooting.

Go to step 23.

23. Monitor the OBD STATUS for DTC P0720 in the

DTCs MENU with the HDS.

Troubleshooting is complete.

If the screen indicates FAILED, go to step 1

and recheck. If the screen indicates NOT
COMPLETED, go to step 21 and recheck.

(cont’d)

Wire side of female terminals

Is ther e about 5 V ?

Is ther e continuity?

Ar e any T empor ar y DT Cs or DT Cs indicated?

Does the scr een indicate PASSED?

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