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Acura RSX Honda Integra. Manual - part 281

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DTC P1734:

2005-2006 Models

YES

14-249

Problem in Shift Control System:

• Shift Solenoid Valves B or C Stuck OFF
• Shift Valves B or C Stuck

NOTE: Record all freeze data and review General
Troubleshooting Information (see page 14-8) before
you troubleshoot.

1. Warm up the engine to normal operating

temperature (the radiator fan comes on).

2. Make sure that the transmission is filled to the

proper level, and check for fluid leaks.

3. Drain the ATF (see step 3 on page 14-272) through a

strainer. Inspect the strainer for metal debris or
excessive clutch material.

Replace the transmission.

Replace the ATF (see step 4 on page 14-272)

then go to step 4.

4. Clear the DTC with the HDS.

5. Test-drive the vehicle in the D position through all

five gears at speeds over 12 mph (20 km/h) for
more than 20 seconds, then slow down to a stop.

6. Retest-drive the vehicle in the D position through

all five gears at speeds over 12 mph (20 km/h) for
more than 20 seconds, then slow down to a stop.

7. Monitor the OBD status for P1734 in the DTCs/

Freeze Data in A/T Mode Menu for a pass/fail.

Go to step 8.

Intermittent failure, the system is OK at this

time, if the tester indicates NOT COMPLETED,
return to step 5 and recheck.

8. Clear the DTC with the HDS.

9. Choose Shift Solenoid B in Miscellaneous Test

Menu, and check that the shift solenoid valve B
operates with the HDS.

Go to step 10.

Replace shift solenoid valve B (see page

14-260), then go to step 14.

10. Choose Shift Solenoid C in Miscellaneous Test

Menu, and check that the shift solenoid valve C
operates with the HDS.

Go to step 11.

Replace shift solenoid valve C (see page

14-260), then go to step 14.

11. Test-drive the vehicle in the D position through all

five gears at speeds over 12 mph (20 km/h) for
more than 20 seconds, then slow down to a stop.

12. Retest-drive the vehicle in the D position through

all five gears at speeds over 12 mph (20 km/h) for
more than 20 seconds, then slow down to a stop.

13. Monitor the OBD status for P1734 in the DTCs/

Freeze Data in A/T Mode Menu for a pass/fail.

Repair hydraulic system related with shift

valves B and C, or replace the transmission, then
go to step 14.

Intermittent failure, the system is OK at this

time. If the tester indicates NOT COMPLETED,
return to step 11 and recheck.

(cont’d)

Does the str ainer contain metal debr is or
excessive clutch mater ial?

Does the r esult indicate a f ailed?

Is a clicking sound hear d?

Does the r esult indicate a f ailed?

05/06/27 17:57:14 61S6M040_140_0250

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YES

14-250

Automatic Transmission

DTC Troubleshooting (cont’d)

14. Clear the DTC with the HDS.

15. Test-drive the vehicle in the D position through all

five gears at speeds over 12 mph (20 km/h) for
more than 20 seconds, then slow down to a stop.

16. Retest-drive the vehicle in the D position through

all five gears at speeds over 12 mph (20 km/h) for
more than 20 seconds, then slow down to a stop.

17. Monitor the OBD status for P1734 in the DTCs/

Freeze Data in A/T Mode Menu for a pass/fail.

Troubleshooting is completed.

Return to step 8 and recheck.

Does the r esult indicate a passed?

05/06/27 17:57:14 61S6M040_140_0251

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Special Tools Required

2002-2004 models:

2005-2006 models:

14-251

Road Test

B
07SAZ-001000A

PCM CONNECTOR A (31P)

LG1 (BRN/YEL)

TPS (RED/BLK)

PCM CONNECTOR A (31P)

LG1 (BRN/YEL)

TPS (RED/BLK)

Backprobe set 07SAZ-001000A (Two required)

1. Warm up the engine to normal operating

temperature (the radiator fan comes on).

2. Apply the parking brake, and block both rear

wheels. Start the engine, then shift to the D position
while pressing the brake pedal. Press the
accelerator pedal, and release it suddenly. The
engine should not stall.

3. Repeat the same test in the D3 position.

4. Connect the HDS to the DLC (A), and go to the A/T

data list; then go to step 7. If you don’t have a HDS,
go to step 5.

5. Remove the dashboard lower cover (A) under the

glove box (B) to expose the PCM connectors (C).

6. Connect a digital multimeter (A) and the special

tools (B) to check voltage between PCM connector
terminals A15 (

) and A24 (

) (2002-2004 models),

A29 (

) and A9 (

) (2005-2006 models).

(cont’d)

Wire side of female terminals

05/06/27 17:57:15 61S6M040_140_0252

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―――

−

―――

−

→

−

→

−

―――

−

―――

−

→

D position
Upshift

Throttle Opening

Unit of Speed

1st

2nd

3rd

4th

5th

Downshift

Throttle Opening

Unit of Speed

5th

4th

3rd

2nd

1st

Lock-up ON and OFF

Throttle Opening

Unit of Speed

Lock-up ON

Lock-up OFF

14-252

Automatic Transmission

Road Test (cont’d)

7. Test-drive the vehicle on a flat road in the D position, check for abnormal noise and clutch slippage. While driving,

check that the shift points occur at the proper speeds by monitoring the throttle position sensor voltage and
comparing your shift point speeds and voltage to those in the table. (The throttle position sensor voltage
represents the throttle opening.)

Throttle position
sensor voltage: 0.8 V

mph

km/h

Throttle position
sensor voltage: 2.25 V

mph

103

113

km/h

103

165

182

Fully-opened throttle,
throttle position sensor
voltage: 4.5 V

mph

104

114

km/h

105

118

168

185

Throttle position
sensor voltage: 0.8 V

mph

8 (3rd

1st)

km/h

13 (3rd

1st)

Fully-opened throttle,
throttle position sensor
voltage: 4.5 V

mph

116

128

km/h

187

206

137

153

(Schedule of shift solenoid valve E turned ON and OFF)

Throttle position
sensor voltage: 0.8 V

mph

km/h

Throttle position
sensor voltage: 2.25 V

mph

108

119

km/h

174

191

107

120

Fully-opened throttle,
throttle position sensor
voltage: 4.5 V

mph

108

118

km/h

173

190

8. Accelerate to about 35 mph (57 km/h) so the transmission is in 4th gear, then shift to 2nd gear. The vehicle should

immediately begin slow down from engine braking.

9. Check for abnormal noise and clutch slippage in the R position. Accelerate from a stop at full throttle, and check

for abnormal noise and clutch slippage.

10. Test in the P (Parking) Position.

Park the vehicle on a slope (about 16 °), apply the brake, and shift into the P position. Release the brake; the
vehicle should not move.

NOTE: Always use the brake to hold the vehicle, when stopped on an incline in gear. Depending on the grade of
the incline, the vehicle could roll backwards if the brake is released.

05/06/27 17:57:15 61S6M040_140_0253

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