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Pressure Test Honda Element I

Automatic Transmission: Diagnosis 26 illustrations ~2993 words

Pressure Test

Special Tools Required

  1. A/T oil pressure gauge set w/panel 07406-0020400 or 07406-0020401
  2. A/T pressure hose, 2,210 mm 07MAJ-PY4011A
  3. A/T pressure hose adapter 07MAJ-PY40120

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Scheme 10
  1. Make sure the transmission is filled to the proper level.
  2. 4WD model: Raise the vehicle, make sure it is securely supported, and allow all four wheels to rotate freely. 2WD model: Raise the front of the vehicle, and make sure it is securely supported. Set the parking brake, block rear wheels securely, and allow the front wheels to rotate freely. Or raise the vehicle.
  3. Connect the oil pressure gauge to the line pressure inspection port (A) and 4th clutch pressure inspection port (B). Do not allow dust or other foreign particles to enter the holes while connecting the gauges.
  4. Remove the air cleaner housing, and connect the oil pressure gauge to the 2nd clutch pressure inspection port (C). Then temporarily reinstall the air cleaner housing.
  5. Connect the oil pressure gauges to the 1st clutch pressure inspection port (D) and 3rd clutch pressure inspection port (E).
  6. Warm up the engine (the radiator fan comes on), then stop it and connect the HDS to the DLC.
  7. Start the engine, and run it at 2,000 RPM.
  8. Shift to the N or P position, and measure the line pressure the at the line pressure inspection port (A). NOTE: Higher pressure may be indicated if measurements are made in shift lever position other than N or P. LINE A FLUID PRESSURE Pressure Fluid Pressure Standard Service Limit Line (A) 900-960 kPa (9.2-9.8 kgf/cm 2 , 130-140 psi) 850 kPa (8.7 kgf/cm 2 , 120 psi)
  9. Shift to the 1 position, and measure the 1st clutch pressure at the 1st clutch pressure inspection port (D) while holding engine speed at 2,000 RPM.
  10. Shift to the 2 position, and measure the 2nd clutch pressure at the 2nd clutch pressure inspection port (C) while holding engine speed at 2,000 RPM.
  11. Shift to the P position, then press the brake pedal and hold it.
  12. Shift to the D position, and turn the over drive off mode by pressing the O/D switch. Release the brake pedal; the transmission is in 1st gear.
  13. Press the accelerator pedal to increase engine speed to 2,500 RPM; the transmission shifts to 2nd gear.
  14. Release the accelerator pedal to close fully the throttle over 5 seconds; the engine speed decrease to 1,000 RPM with the transmission in 2nd gear.
  15. Press the accelerator pedal very slowly to increase the engine speed to 2,000 RPM over 5 seconds, and hold the accelerator; the transmission shifts to 3rd gear. Measure the 3rd clutch pressure at the 3rd clutch pressure inspection port (D) while holding engine speed at 2,000 RPM.
  16. Release the over drive mode by pressing the O/D switch; the transmission shifts to 4th gear. Measure the 4th clutch pressure at the 4th clutch pressure inspection port (B) while holding engine speed at 2,000 RPM.
  17. Shift to the R position, and measure the 4th clutch pressure at the 4th clutch pressure inspection port (B) while holding engine speed at 2,000 RPM. 1ST TO 4TH CLUTCH FLUID PRESSURE Pressure Fluid Pressure Standard Service Limit 1st clutch (D) 2nd clutch (C) 3rd clutch (E) 4th clutch (B) 890-970 kPa (9.1-9.9 kgf/cm 2 , 130-140psi) 840 kPa (8.6 kgf/cm 2 , 120 psi)
  18. If the measurements are out of service limit, problems and probable causes are listed in the table: PROBLEMS AND PROBABLE CAUSES Problem Probable causes No or low line pressure Torque converter Regulator valve Torque converter check valve ATF pump Clogged ATF strainer No or low 1st clutch pressure 1st clutch O-rings No or low 2nd clutch pressure 2nd clutch O-rings No or low 3rd clutch pressure 3rd clutch O-rings No or low 4th clutch pressure in the D position 4th clutch O-rings No or low 4th clutch pressure in the R position Servo valve 4th clutch O-rings
  19. Install the sealing bolts with new sealing washers, and tighten the bolts to the specified torque. Torque: 18 N.m (1.8 kgf.m, 13 lbf.ft) NOTE: Do not reuse old sealing washers.
  20. Install the air cleaner housing.

Scheme 11

Scheme 11: Shift Solenoid Valve Test
Scheme 11: Shift Solenoid Valve Test

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Scheme 14
  1. Connect the HDS to the DLC (A).
  2. Select Shift Solenoid A, B, C, and E in Miscellaneous Test Menu on the HDS.
  3. Check that shift solenoid valve A, B, C, and E operate with the HDS. A clicking sound should be heard.
  4. Shift solenoid valves test has finished if the test results are OK. If no sound is heard, remove the shift solenoid valves and test.
  5. Remove the drain plug (A), and drain the automatic transmission fluid (ATF).
  6. Reinstall the drain plug with a new sealing washer (B).
  7. Place the transmission jack under the transmission, and lift it up to create clearance between the transmission and front subframe.
  8. Disconnect the shift solenoid harness connector.
  9. Remove the bolt (A) securing the bracket (B) of the ATF cooler inlet line (C) on the shift solenoid valve cover (D), and remove the line bolt (E) with sealing washers (F).
  10. Remove the shift solenoid valve cover (D), gasket (G), and dowel pins (H).
  11. Remove the bolt (A), and remove the shift solenoid harness connector (B).
  12. Measure shift solenoid valves resistance between shift solenoid harness connector terminals No. 1, No. 2, No. 3, No. 5 and body ground. Shift solenoid valve A: No. 5 terminal (BLU) Shift solenoid valve B: No. 2 terminal (ORN) Shift solenoid valve C: No. 1 terminal (GRN) Shift solenoid valve E: No. 3 terminal (RED) Standard: 12-25 ohms
  13. If the resistance is out of standard, disconnect the shift solenoid valve connector, and measure its resistance at the solenoid valve connector. Replace the shift solenoid valve if the resistance is out of standard.
  14. Connect the battery negative terminal to body ground, and connect the battery positive terminal to the shift solenoid harness connector terminals individually. A clicking sound should be heard.
  15. If no sound is heard, connect the battery positive terminal to the shift solenoid valve terminal, and check for a clicking sound. Replace the shift solenoid valve if no clicking sound is heard.
  16. Replace the solenoid harness if the tests results are OK.
  17. Install the new O-ring on the shift solenoid harness connector, and install the connector in the transmission housing.
  18. Install the shift solenoid valve cover, dowel pins, and a new gasket.
  19. Install the ATF cooler inlet line with the line bolt and the new sealing washers. Create clearance with the jack between the transmission and the front subframe to tighten the line bolt to the specified torque with the torque wrench.
  20. Secure the ATF cooler inlet line bracket on the shift solenoid valve cover with the bolt.
  21. Check the connector for rust, dirt, or oil, then connect the connector securely.
  22. Remove the transmission jack.
  23. Refill the transmission with the ATF (see step 5 ).

Scheme 15

Scheme 15: Shift Solenoid Valve Replacement
Scheme 15: Shift Solenoid Valve Replacement

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Scheme 17
  1. Remove the drain plug (A), and drain the automatic transmission fluid (ATF).
  2. Reinstall the drain plug with a new sealing washer (B).
  3. Place the transmission jack under the transmission, and lift it up to create clearance between the transmission and front subframe.
  4. Remove the bolt (A) securing the bracket (B) of the ATF cooler inlet line (C) on the shift solenoid valve cover (D), and remove the line bolt (E) with sealing washers (F).
  5. Remove the shift solenoid valve cover (D), gasket (G), and dowel pins (H).
  6. Disconnect the shift solenoid valve connectors.
  7. Remove the bolts, and hold the shift solenoid valve body, then remove them. Do not hold the connector to remove.
  8. Install the new O-rings (two O-rings per a solenoid valve) (F) on the good solenoid valve. The replacement solenoid valve comes with new O-rings.
  9. Install shift solenoid valves A, C, and E by holding the shift solenoid valve body; be sure to install the solenoid valves until their mounting bolt brackets contact the servo body. NOTE: Do not install shift solenoid valve B before installing shift solenoid valve E. If solenoid valve B is installed before solenoid valve E, it may damage the hydraulic control system.
  10. Install shift solenoid valve B by holding the shift solenoid valve body; be sure to install the solenoid valve until its mounting bolt bracket contacts the bracket of installed solenoid.
  11. Connect the shift solenoid valve A connector (G) with the ATF temperature sensor.
  12. Connect the solenoid valve B connector (ORN wire), solenoid valve C connector (GRN wire), and solenoid valve E connector (RED wire).
  13. Install the shift solenoid valve cover, dowel pins, and a new gasket.
  14. Install the ATF cooler inlet line with the line bolt and the new sealing washers. Create clearance with the jack between the transmission and the front subframe to tighten the line bolt to the specified torque with the torque wrench.
  15. Secure the ATF cooler inlet line bracket on the shift solenoid valve cover with the bolt.
  16. Check the connector for rust, dirt, or oil, then connect the connector securely.
  17. Remove the transmission jack.
  18. Refill the transmission with the ATF (see step 5 ).

Scheme 18

Scheme 18: A/T Clutch Pressure Control Solenoid Valve A Test
Scheme 18: A/T Clutch Pressure Control Solenoid Valve A Test

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Scheme 20
  1. Connect the HDS to the DLC (A).
  2. Select Clutch Pressure Control (Linear) Solenoid A in Miscellaneous Test Menu on the HDS.
  3. Test A/T clutch pressure control solenoid valve A with the HDS.
  4. Follow the instructions indicated on the HDS by the test result. If the HDS has not determined the cause of the failure, remove A/T clutch pressure control solenoid valve A and test.
  5. Remove the air cleaner housing.
  6. Disconnect the A/T clutch pressure control solenoid valve A connector.
  7. Measure A/T clutch pressure control solenoid valve A resistance between the solenoid valve A connector terminals No. 1 and No. 2. Standard: 3-10 ohms
  8. If the resistance is out of standard, replace A/T clutch pressure control solenoid valve A.
  9. Connect the battery positive terminal to A/T clutch pressure control solenoid valve A connector terminal No. 1, and connect the battery negative terminal to terminal No. 2. A clicking sound should be heard.
  10. If no sound is heard, remove A/T clutch pressure control solenoid valve A (see «A/T CLUTCH PRESSURE CONTROL SOLENOID VALVE A REPLACEMENT»(ref-220581-S37401083362006022000000) ).
  11. Check the fluid passage of the A/T clutch pressure control solenoid valve for dust or dirt.
  12. Connect A/T clutch pressure control solenoid valve A connector terminal No. 1 to the battery positive terminal, and connect the terminal No. 2 to the battery negative terminal. Make sure the A/T clutch pressure control solenoid valve moves.
  13. Disconnect one of the battery terminals, and check valve movement. NOTE: You can see valve movement through the fluid passage in the mounting surface of the A/T clutch pressure control solenoid valve A body.
  14. If the valve binds or moves sluggishly, or if the solenoid valve does not operate, replace A/T clutch pressure control solenoid valve A.
  15. Install A/T clutch pressure control solenoid valve A (see «A/T CLUTCH PRESSURE CONTROL SOLENOID VALVE A REPLACEMENT»(ref-220581-S37401083362006022000000) ).

Scheme 21

Scheme 21: A/T Clutch Pressure Control Solenoid Valve A Replacement
Scheme 21: A/T Clutch Pressure Control Solenoid Valve A Replacement
  1. Remove the air cleaner housing.
  2. Disconnect the A/T clutch pressure control solenoid valve A connector.
  3. Remove the mounting bolts and A/T clutch pressure control solenoid valve A.
  4. Remove the ATF pipe (B), ATF joint pipes (C), O-rings (D), and gasket (E).
  5. Clean the mounting surface and fluid passage of the transmission housing.
  6. Install the new gasket on the transmission housing, and install the ATF pipe and ATF joint pipes.
  7. Install the new O-rings over the ATF joint pipes.
  8. Install the new A/T clutch pressure control solenoid valve A.
  9. Check the A/T clutch pressure control solenoid valve A connector for rust, dirt, and oil, clean if needed, then connect it securely.
  10. Install the air cleaner housing.

Scheme 22

Scheme 22: A/T Clutch Pressure Control Solenoid Valve B and C Test
Scheme 22: A/T Clutch Pressure Control Solenoid Valve B and C Test

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Scheme 24
  1. Connect the HDS to the DLC (A).
  2. Select Clutch Pressure Control (Linear) Solenoid B and C in Miscellaneous Test Menu on the HDS.
  3. Test A/T clutch pressure control solenoid valves B and C with the HDS.
  4. Follow the instructions indicated on the HDS by the test result. If the HDS has not determined the cause of the failure, remove A/T clutch pressure control solenoid valves B, C and test.
  5. Remove the air cleaner housing.
  6. Disconnect the A/T clutch pressure control solenoid valves B and C connectors.
  7. Measure A/T clutch pressure control solenoid valve B resistance between the solenoid valve B connector terminals No. 1 and No. 2, and measure A/T clutch pressure control solenoid valve C resistance between the solenoid valve C connector terminals No. 1 and No. 2. Standard: 3-10 ohms
  8. If the resistance of either of the A/T clutch pressure control solenoid valves is out of standard, replace A/T clutch pressure control solenoid valves B and C.
  9. Connect the battery positive terminal to A/T clutch pressure control solenoid valves B and C connector terminal No. 1, and connect the battery negative terminal to terminal No. 2. A clicking sound should be heard.
  10. If no sound is heard, remove A/T clutch pressure control solenoid valves B and C (see «A/T CLUTCH PRESSURE CONTROL SOLENOID VALVE B AND C REPLACEMENT»(ref-220581-S38032548742006022000000) ).
  11. Check the fluid passage of the A/T clutch pressure control solenoid valve for dust or dirt.
  12. Connect A/T clutch pressure control solenoid valves B and C connector terminal No. 1 to the battery positive terminal, and connect terminal No. 2 to the battery negative terminal. Make sure A/T clutch pressure control solenoid valves B and C move.
  13. Disconnect one of the battery terminals, and check valve movement. NOTE: You can see valve movement through the fluid passage in the mounting surface of the A/T clutch pressure control solenoid valves B and C body.
  14. If either valve binds or moves sluggishly, or if the solenoid valve does not operate, replace A/T clutch pressure control solenoid valves B and C.
  15. Install A/T clutch pressure control solenoid valve B and C (see «A/T CLUTCH PRESSURE CONTROL SOLENOID VALVE B AND C REPLACEMENT»(ref-220581-S38032548742006022000000) ).

Scheme 25

Scheme 25: A/T Clutch Pressure Control Solenoid Valve B and C Replacement
Scheme 25: A/T Clutch Pressure Control Solenoid Valve B and C Replacement
  1. Remove the air cleaner housing.
  2. Disconnect the A/T clutch pressure control solenoid valves B and C connectors.
  3. Remove the mounting bolts, harness clamp brackets (A), and A/T clutch pressure control solenoid valves B and C.
  4. Remove the ATF joint pipes (D), O-rings (E), and gasket (F).
  5. Clean the mounting surface and fluid passage of the transmission housing.
  6. Install the new gasket on the transmission housing, and install the ATF joint pipes.
  7. Install the new O-rings over the ATF joint pipes.
  8. Install the new A/T clutch pressure control solenoid valves B and C, and harness clamp brackets.
  9. Check the A/T clutch pressure control solenoid valves B and C connectors for rust, dirt, and oil, clean if needed, then connect them securely.
  10. Install the air cleaner housing.

Scheme 26

Scheme 26: Input Shaft (Mainshaft) Speed Sensor Replacement
Scheme 26: Input Shaft (Mainshaft) Speed Sensor Replacement
  1. Disconnect the input shaft (mainshaft) speed sensor connector.
  2. Remove the input shaft (mainshaft) speed sensor (A).
  3. Install the new O-ring (B) on the input shaft (mainshaft) speed sensor, and install the input shaft (mainshaft) speed sensor in the transmission housing.
  4. Check the connector for rust, dirt, and oil, clean if needed, then connect the connector securely.

Scheme 27

Scheme 27: Output Shaft (Countershaft) Speed Sensor Replacement
Scheme 27: Output Shaft (Countershaft) Speed Sensor Replacement
  1. Disconnect the output shaft (countershaft) speed sensor connector.
  2. Remove the output shaft (countershaft) speed sensor (A).
  3. Install the new O-ring (B) on the output shaft (countershaft) speed sensor, and install the output shaft (countershaft) speed sensor in the transmission housing.
  4. Check the connector for rust, dirt, and oil, clean if needed, then connect the connector securely.

Scheme 28

Scheme 28: 2nd Clutch Transmission Fluid Pressure Switch Replacement
Scheme 28: 2nd Clutch Transmission Fluid Pressure Switch Replacement
  1. Remove the air cleaner housing.
  2. Disconnect the connector from the 2nd clutch pressure switch (A), and remove the switch.
  3. Install the 2nd clutch pressure switch with a new sealing washer (B). Tighten the switch to the specified torque on the metal part, not the plastic part.
  4. Reconnect the connector, make sure there is no water, oil, dust, or foreign particles inside it.
  5. Install the air cleaner housing.

Scheme 29

Scheme 29: 3rd Clutch Transmission Fluid Pressure Switch Replacement
Scheme 29: 3rd Clutch Transmission Fluid Pressure Switch Replacement
  1. Disconnect the connector from the 3rd clutch pressure switch (A), and remove the switch.
  2. Install the 3rd clutch pressure switch with a new sealing washer (B). Tighten the switch to the specified torque on the metal part, not the plastic part.
  3. Reconnect the connector, make sure there is no water, oil, dust, or foreign particles inside it.

Scheme 30

Scheme 30: ATF Temperature Sensor Test/Replacement
Scheme 30: ATF Temperature Sensor Test/Replacement

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Scheme 33
  1. Remove the drain plug (A), and drain the automatic transmission fluid (ATF).
  2. Reinstall the drain plug with a new sealing washer (B).
  3. Place the transmission jack under the transmission, and lift it up to create clearance between the transmission and front subframe.
  4. Disconnect the shift solenoid harness connector.
  5. Remove the bolt (A) securing the bracket (B) of the ATF cooler inlet line (C) on the shift solenoid valve cover (D), and remove the line bolt (E) with sealing washers (F).
  6. Remove the shift solenoid valve cover (D), gasket (G), and dowel pins (H).
  7. Remove the bolt (A), and remove the shift solenoid harness connector (B).
  8. Measure ATF temperature sensor resistance between shift solenoid harness connector terminals No. 6 and No. 7. Standard: 50 ohms - 25 k ohms
  9. If the resistance is out of standard, replace the shift solenoid harness. The ATF temperature sensor is not available separately from the shift solenoid harness.
  10. Disconnect the connectors from the shift solenoid valves.
  11. Connect the shift solenoid valve A connector (BLU wire) with the ATF temperature sensor (F) on the new solenoid harness.
  12. Connect the solenoid valve B connector (ORN wire), solenoid valve C connector (GRN wire), and solenoid valve E connector (RED wire).
  13. Install the new O-ring (G) on the shift solenoid harness connector (H), and install the connector in the transmission housing.
  14. Install the shift solenoid valve cover, dowel pins, and a new gasket.
  15. Install the ATF cooler inlet line with the line bolt and the new sealing washers. Create clearance with the jack between the transmission and the front subframe to tighten the line bolt with the torque wrench.
  16. Secure the ATF cooler inlet line bracket on the shift solenoid valve cover with the bolt.
  17. Check the connector for rust, dirt, or oil, clean if needed, then connect the connector securely.
  18. Remove the transmission jack.
  19. Refill the transmission with the ATF (see step 5 ).