System Description Acura RSX I

System Description

At a vehicle speed of 12 mph (20 km/h) or more, a signal from the ECM activates the reverse lockout solenoid, which pushes the select lock cam B into the locked position. As a result, the select lever cannot rotate to the reverse select position, making it impossible to engage reverse gear. At a vehicle speed of 9 mph (15 km/h) or less, the signal from the ECM is interrupted, which turns off the reverse lockout solenoid. The select lock return spring pulls back the select lock cam B, enabling the select lever to move freely so the reverse gear can be selected.

VEHICLE SPEED

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1. Check the No. 4 (10A) fuse in the underdash fuse/relay box. Is the fuse OK? YES - Go to step 2. NO - Replace the fuse, and recheck.
2. Start the engine, and check the Malfunction Indicator Lamp (MIL). Does the MIL come on? YES - Troubleshoot the DTC (see «GENERAL TROUBLESHOOTING INFORMATION»(/acura/rsx/i-2001-2004/remont/auxiliary-emission-control-systems/#fuel-system-emissions-systems) ), and recheck. NO - Go to step 3.
3. Turn the ignition switch OFF.
4. Shift into reverse gear. Can the transmission be shifted Into reverse gear? YES - Go to step 5. NO - Repair the transmission, and recheck.
5. Turn the ignition switch ON (II). With the vehicle moving slowly (vehicle speed below 9 mph (15 km/h)), shift the transmission into reverse gear. Can the transmission be shifted into reverse gear? YES - Go to step 6. NO - Go to step 7 .
6. Raise the front wheels, and block the rear wheels. Run the vehicle to a speed above 12 mph (20 km/h). Can the transmission be shifted into reverse gear? YES - Go to step 7. NO - Intermittent failure, system is OK at this time.
7. Turn the ignition switch OFF.
8. Disconnect the reverse lockout solenoid 2P connector.
9. Turn the ignition switch ON (II).
10. Measure the voltage between the reverse lockout solenoid 2P connector terminal No. 2 and body ground. Is there battery voltage? YES - Go to step 11. NO - Check for loose or poor connections at C101 (20P) connector. If the connections are OK, repair open in the wire between No. 4 (10 A) fuse in the underdash fuse/relay box and the reverse lockout solenoid.
11. Turn the ignition switch OFF.
12. Remove the reverse lockout solenoid (see «REVERSE LOCKOUT SOLENOID TEST»(/acura/rsx/i-2001-2004/remont/manual-trans/#manual-transmission) ).
13. Connect the No. 2 terminal of the reverse lockout solenoid 2P connector to the battery positive terminal, and connect the No. 1 terminal to the battery negative terminal. Make sure the reverse lockout solenoid operates. Does the reverse lockout solenoid operate properly? YES - Go to step 14. NO - Replace the reverse lockout solenoid.
14. Reinstall the reverse lockout solenoid, and reconnect the solenoid 2P connector.
15. Turn the ignition switch ON (II).
16. Measure the voltage between ECM connector B7 terminal (2002-2004 models) or E2 terminal (2005-2006 models) and body ground. 2002-2004 models: 2005-2006 models: Is there battery voltage? YES - Check for loose connectors at ECM connector B (24P) (2002-2004 models) or E (31P) (2005-2006 models). If necessary, update the ECM if it does not have the latest software, or substitute a known-good ECM (see «HOW TO SUBSTITUTE THE ECM/PCM (2002-2004 MODELS)»(/acura/rsx/i-2001-2004/remont/auxiliary-emission-control-systems/#fuel-system-emissions-systems__how-to-substitute-the-ecmpcm-2002-2004) ), then recheck. If the symptom/indication goes away with a known-good ECM, replace the original ECM (see «ECM/PCM REPLACEMENT»(/acura/rsx/i-2001-2004/remont/testing-diagnostics/#pgm-fi-system) ) NO - Repair open in the wire between the reverse lockout solenoid and the ECM (B7) (2002-2004 models) or ECM (E2) (2005-2006 models).

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1. Remove the reverse lockout solenoid (see «REVERSE LOCKOUT SOLENOID TEST»(/acura/rsx/i-2001-2004/remont/manual-trans/#manual-transmission) ).
2. Connect battery positive terminal to the No. 2 terminal of the reverse lockout solenoid 2P connector, and connect the battery negative terminal to the No. 1 terminal.
3. Make sure the reverse lockout solenoid operates. If the reverse lockout solenoid does not work, replace it.

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1. Make sure you have the anti-theft codes for the radio, then write down the customer's radio station presets. Disconnect the negative cable from the battery first, then disconnect the positive cable. Remove the battery.
2. Remove the intake manifold cover (see step 6 on «ENGINE REMOVAL»(/acura/rsx/i-2001-2004/remont/mechanical/#engine-removal-and-installation) ).
3. Remove the air cleaner housing (see step 7 on «ENGINE REMOVAL»(/acura/rsx/i-2001-2004/remont/mechanical/#engine-removal-and-installation) ).
4. Remove the intake air duct (see step 8 on «ENGINE REMOVAL»(/acura/rsx/i-2001-2004/remont/mechanical/#engine-removal-and-installation) ).
5. Remove the battery base (see step 5 ).
6. Disconnect the transmission ground cable (see step 6 ).
7. Disconnect the back-up light switch connector, the vehicle speed sensor (VSS) connector, the reverse lockout solenoid connector, and the output shaft speed sensor connector (see step 7 ).
8. Carefully remove the shift cable, select cable, and cable bracket together to avoid bending the cables (see step 8 ).
9. Remove the bolts (A) and reverse lockout solenoid (B).
10. Remove the roller (A), the select lock return spring (C), and the select lock cam B.
11. Install in the reverse order of removal.
12. Remove any dirt and oil from the sealing surface. Apply liquid gasket (P/N 08718-0001 or 08718-0002) to the sealing surface. NOTE: Do not install reverse locknut solenoid if too much time has passed after applying the liquid gasket (for P/N 08718-0002, no more than 4 minutes, for all others, no more than 5 minutes). Instead, remove the old residue and reapply the liquid gasket.
13. Install the reverse lockout solenoid.
14. Install the cable bracket, select cable, and shift cable (see step 26 ).
15. Connect the back-up light switch connector, the vehicle speed sensor (VSS) connector, the reverse lockout solenoid connector, and the output shaft (countershaft) speed sensor connector (see step 28 ).
16. Connect the transmission ground cable (see step 29 ).
17. Install the battery base (see step 30 ).
18. Install the intake air duct (see step 42 on «ENGINE INSTALLATION»(/acura/rsx/i-2001-2004/remont/mechanical/#engine-removal-and-installation) ).
19. Install the air cleaner housing (see step 43 on «ENGINE INSTALLATION»(/acura/rsx/i-2001-2004/remont/mechanical/#engine-removal-and-installation) ).
20. Install the intake manifold cover (see step 45 on «ENGINE INSTALLATION»(/acura/rsx/i-2001-2004/remont/mechanical/#engine-removal-and-installation) ).
21. Install the battery. Clean the battery posts and cable terminals with sandpaper, then assemble them apply grease to prevent corrosion. Connect the positive cable to the battery first, then connect the negative cable.
22. Enter the audio anti-theft codes, then enter the customer's audio station presets, and set the clock.
23. 2002-2004 models: Do the ECM idle learn procedure (see «ECM/PCM IDLE LEARN PROCEDURE»(/acura/rsx/i-2001-2004/remont/testing-diagnostics/#idle-control-system) ).
24. Do the power window control unit reset procedure (see «RESETTING THE POWER WINDOW CONTROL UNIT»(/acura/rsx/i-2001-2004/remont/windows/#power-windows__resetting-the-power-window-control-unit) ).

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1. Place the differential assembly on V-blocks (A), and install both axles.
2. Measure the backlash of both pinion gears (B) with a dial indicator (C). If the backlash is not within the standard, replace the differential carrier. Standard (New): 0.05-0.15 mm (0.002-0.006 in.)

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1. Remove the bolts (left-hand threads) in a crisscross pattern in several steps, then remove the final driven gear (A) from the differential carrier (B).
2. Install the final driven gear with the chamfer on the inside diameter facing the carrier. Tighten the bolts in a crisscross pattern in several steps.