Acura CL Integra NSX RL RSX TL TSX 2001-2006

Adjustment

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2001-03 TL Models




NOTE
The ignition timing is controlled by the Powertrain Control Module (PCM) and can be checked for diagnostic purposes. If the timing is out of specification, all mechanical and electrical systems should checked for proper operation before replacing the PCM.

  1. Before servicing the vehicle, refer to the precautions section.
  2.  
  3. To check the ignition timing, start the engine and allow it to fast idle at 3000 rpm with all electrical accessories off and the transmission in N or P . Allow the engine to warm up and reach normal operating temperature. The engine cooling fan should cycle at least 1 time.
  4.  
  5. Locate the Service Check (SCS) connector under the glove box and connect the service connector tool part number 07PAZ-0010100 to it.
  6.  
  7. Check the idle speed and adjust if necessary.
  8.  
  9. Connect a timing light to the No. 1 plug wire. With the engine idling at normal operating temperature point the timing light toward the pointer on the timing belt cover.
  10.  
  11. Inspect the ignition timing. The specifications is 13-17 degrees Before Top Dead Center (BTDC) at 590-690 rpm
    NOTE
    All mechanical and electrical systems should checked for proper operation before replacing the PCM.



    Click image to see an enlarged view

    Fig. Service check connector-2001-03 3.2TL



    Click image to see an enlarged view

    Fig. Timing light attachment-2001-03 3.2TL

  12.  
  13. If the ignition timing is incorrect, replace the PCM. Only replace the PCM as a last resort.
  14.  
  15. Remove the timing light.
  16.  
  17. Disconnect the special tool (SCS service connector) from the service check connector.
  18.  

2001-04 RL Models




NOTE
The ignition timing is controlled by the Powertrain Control Module (PCM) and can be checked for diagnostic purposes. If the timing is out of specification, all mechanical and electrical systems should checked for proper operation before replacing the PCM.

  1. Before servicing the vehicle, refer to the precautions section.
  2.  
  3. To check the ignition timing, start the engine and allow it to fast idle at 3000 rpm with all electrical accessories off and the transmission in N or P . Allow the engine to warm up and reach normal operating temperature. The engine cooling fan should cycle at least 1 time.
  4.  
  5. Locate the Service Check (SCS) connector under the glove box and connect the service connector tool part number 07PAZ-0010100 to it.
  6.  
  7. Check the idle speed and adjust if necessary.
  8.  
  9. Connect a timing light to the No. 1 plug wire. With the engine idling at normal operating temperature point the timing light toward the pointer on the timing belt cover.
  10.  
  11. Inspect the ignition timing. The specifications are 13-17 degrees BTDC at 700-800 rpm
    NOTE
    All mechanical and electrical systems should checked for proper operation before replacing the PCM.



    Click image to see an enlarged view

    Fig. Service check connector-3.5RL

  12.  
  13. If the ignition timing is incorrect, replace the PCM. Only replace the PCM as a last resort.
  14.  
  15. Remove the timing light.
  16.  
  17. Disconnect the special tool (SCS service connector) from the service check connector.
  18.  

2004-06 TL & 2005-06 RL Models



  1. Before servicing the vehicle, refer to the precautions section.
  2.  
  3. Connect the Honda Diagnostic System (HDS) to the Data Link Connector (DLC), and check for DTCs.
  4.  
  5. If a DTC is present, diagnose and repair the cause before inspecting the ignition timing.
  6.  
  7. Start the engine. Hold the engine at 3,000 rpm with no load (in Neutral) until the radiator fan comes on, then let it idle.
  8.  
  9. Check the idle speed.
  10.  
  11. Select ''SCS'' mode using the HDS.
  12.  
  13. Remove the right side engine compartment cover.
  14.  
  15. Connect the timing light to the service loop.
  16.  
  17. Aim the light toward the pointer on the timing belt cover. Check the ignition timing under a no load condition. Headlights, blower fan, rear window defogger, and air conditioner are turned off.
  18.  
  19. The timing should be 8-12degrees Before Top Dead Center (TDC) in park or neutral.
  20.  
  21. If the ignition timing differs from the specification, check the cam timing.
  22.  
  23. Disconnect the HDS and the timing light.
  24.  

CL Models




NOTE
The ignition timing is controlled by the Powertrain Control Module (PCM) and can be checked for diagnostic purposes. If the timing is out of specification, all mechanical and electrical systems should checked for proper operation before replacing the PCM.

  1. Before servicing the vehicle, refer to the precautions section.
  2.  
  3. Check the idle speed and adjust if necessary.
  4.  
  5. To check the ignition timing, start the engine and allow it to fast idle at 3000 rpm with all electrical accessories off and the transmission in N or P . Allow the engine to warm up and reach normal operating temperature. The engine cooling fan should cycle at least 1 time.
  6.  
  7. Connect a timing light to the No. 1 plug wire. With the engine idling at normal operating temperature point the timing light toward the pointer on the timing belt cover.
  8.  
  9. Inspect the ignition timing. The specifications is 8-12 degrees Before Top Dead Center (BTDC) at idle.
    NOTE
    All mechanical and electrical systems should checked for proper operation before replacing the PCM.

  10.  
  11. If the ignition timing is incorrect, replace the PCM. Only replace the PCM as a last resort.
  12.  
  13. Remove the timing light.
  14.  

Integra Models



  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2.  
  3. Start the engine and hold the engine speed at 3000 rpm, until the radiator fan comes on. The engine should be at idle speed and at normal operating temperature. Be sure all electrical devices (radio, air conditioning, lights, etc.) are turned OFF.
  4.  
  5. Locate the Service Check (SCS) connector:

    1.8L engines: behind the right kick panel
     

  6.  
  7. Connect the SCS service connector (part number 07PAZ-0010100) to the service check connector.
  8.  
  9. Connect a timing light to No. 1 ignition wire and point the light toward the pointer on the timing belt cover.
  10.  
  11. Check the idle speed and adjust if necessary.
  12.  
  13. The red mark on the crankshaft pulley should be aligned with the pointer on the timing belt cover.
    NOTE
    The white mark on the crank pulley is Top Dead Center (TDC).

  14.  
  15. Adjust the ignition timing by loosening the distributor mounting bolts and rotating the distributor housing to adjust the timing. Set as follows:

    1.8L (Except Type R): 16 degrees Before Top Dead Center (BTDC) at 700-800 rpm
     
    1.8L (Type R): 16 degrees BTDC at 750-850 rpm
     

  16.  
  17. Tighten the distributor bolts to 17 ft. lbs. (24 Nm) and recheck the timing.
  18.  
  19. Remove the SCS service connector from the service check connector.
  20.  

NSX Models



3.0L Engines

NOTE
The ignition timing is controlled by the Powertrain Control Module (PCM) and can be checked for diagnostic purposes. If the timing is out of specification, all mechanical and electrical systems should be checked for proper operation before replacing the PCM.

  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2.  
  3. To check the ignition timing, start the engine and allow it to fast idle at 3000 rpm with all electrical accessories off and the transmission in N or P . Allow the engine to warm up and reach normal operating temperature. The engine cooling fan should cycle at least 1 time.
  4.  
  5. Locate the Service Check (SCS) connector under the glove box. Connect the service connector tool part number 07PAZ-0010100 to the SCS terminals.
  6.  
  7. Check the idle speed and adjust if necessary.
  8.  
  9. Connect a timing light to the No. 1 plug wire. While engine idles, point the light toward the pointer on the timing belt cover.
  10.  
  11. Inspect the ignition timing at idle. The specification is 6-10 degrees Before Top Dead Center (BTDC) at idle for the 2.0L engines, or 8-12 degrees BTDC at 700-800 for 3.0L engines
    NOTE
    All mechanical and electrical systems should checked for proper operation before replacing the PCM.

  12.  
  13. If the ignition timing is incorrect, replace the PCM.
  14.  
  15. Remove the service connector.
  16.  

3.2L Engines

NOTE
The ignition timing is controlled by the Powertrain Control Module (PCM) and can be checked for diagnostic purposes. If the timing is out of specification, all mechanical and electrical systems should checked for proper operation before replacing the PCM.

  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2.  
  3. To check the ignition timing, start the engine and allow it to fast idle at 3000 rpm with all electrical accessories off and the transmission in N or P . Allow the engine to warm up and reach normal operating temperature. The engine cooling fan should cycle at least 1 time.
  4.  
  5. Locate the Service Check (SCS) connector under the glove box and connect the service connector tool part number 07PAZ-0010100 to it.
  6.  
  7. Check the idle speed and adjust if necessary.
  8.  
  9. Connect a timing light to the No. 1 plug wire. With the engine idling at normal operating temperature point the timing light toward the pointer on the timing belt cover.
  10.  
  11. Inspect the ignition timing. The specifications are as follows:
    NOTE
    All mechanical and electrical systems should checked for proper operation before replacing the PCM.



    3.2L: 13-17 degrees Before Top Dead Center (BTDC) at 590-690 rpm
     

  12.  
  13. If the ignition timing is incorrect, replace the PCM. Only replace the PCM as a last resort.
  14.  
  15. Remove the timing light.
  16.  
  17. Disconnect the special tool (SCS service connector) from the service check connector.
  18.  

RSX Models




NOTE
The ignition timing is controlled by the Powertrain Control Module (PCM) and can be checked for diagnostic purposes. If the timing is out of specification, all mechanical and electrical systems should be checked for proper operation before replacing the PCM.

  1. Before servicing the vehicle, refer to the precautions section.
  2.  
  3. To check the ignition timing, start the engine and allow it to fast idle at 3000 rpm with all electrical accessories off and the transmission in N or P . Allow the engine to warm up and reach normal operating temperature. The engine cooling fan should cycle at least 1 time.
  4.  
  5. Locate the Service Check (SCS) connector under the glove box. Connect the service connector tool part number 07PAZ-0010100 to the SCS terminals.
  6.  
  7. Check the idle speed and adjust if necessary.
  8.  
  9. Connect a timing light to the No. 1 plug wire. While engine idles, point the light toward the pointer on the timing belt cover.
  10.  
  11. Inspect the ignition timing at idle. The specification is 6-10 degrees Before Top Dead Center (BTDC) at idle.
    NOTE
    All mechanical and electrical systems should checked for proper operation before replacing the PCM.

  12.  
  13. If the ignition timing is incorrect, replace the PCM.
  14.  
  15. Remove the service connector.
  16.  

TSX Models




NOTE
The ignition timing is controlled by the Powertrain Control Module (PCM) and can be checked for diagnostic purposes. If the timing is out of specification, all mechanical and electrical systems should be checked for proper operation before replacing the PCM.

  1. Before servicing the vehicle, refer to the precautions section.
  2.  
  3. To check the ignition timing, start the engine and allow it to fast idle at 3000 rpm with all electrical accessories off and the transmission in N or P . Allow the engine to warm up and reach normal operating temperature. The engine cooling fan should cycle at least 1 time.
  4.  
  5. Locate the Service Check (SCS) connector under the glove box. Connect the service connector tool part number 07PAZ-0010100 to the SCS terminals.
  6.  
  7. Check the idle speed and adjust if necessary.
  8.  
  9. Connect a timing light to the No. 1 plug wire. While engine idles, point the light toward the pointer on the timing belt cover.
  10.  
  11. Inspect the ignition timing at idle. The specification is 6-10 degrees Before Top Dead Center (BTDC) at idle.
    NOTE
    All mechanical and electrical systems should checked for proper operation before replacing the PCM.

  12.  
  13. If the ignition timing is incorrect, replace the PCM.
  14.  
  15. Remove the service connector.
  16.  

1.8L Engines



  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Start the engine and hold the engine speed at 3000 rpm, until the radiator fan comes on. The engine should be at idle speed and at normal operating temperature. Be sure all electrical devices (radio, air conditioning, lights, etc.) are turned OFF.
  4.  
  5. Locate the Service Check (SCS) connector: 1.8L engines: behind the right kick panel

    1.8L engines: behind the right kick panel
     

  6.  
  7. Connect the SCS service connector (part number 07PAZ-0010100) to the service check connector.
  8.  
  9. Connect a timing light to No. 1 ignition wire and point the light toward the pointer on the timing belt cover.
  10.  
  11. Check the idle speed and adjust if necessary.
  12.  
  13. The red mark on the crankshaft pulley should be aligned with the pointer on the timing belt cover.
  14.  


NOTE
The white mark on the crank pulley is Top Dead Center (TDC).

  1. Adjust the ignition timing by loosening the distributor mounting bolts and rotating the distributor housing to adjust the timing. Set as follows: 1.8L (Except Type R): 16 degrees Before Top Dead Center (BTDC) at 700-800 rpm1.8L (Type R): 16 degrees BTDC at 750-850 rpm

    1.8L (Except Type R): 16 degrees Before Top Dead Center (BTDC) at 700-800 rpm
     
    1.8L (Type R): 16 degrees BTDC at 750-850 rpm
     

  2.  
  3. Tighten the distributor bolts to 17 ft. lbs. (24 Nm) and recheck the timing.
  4.  
  5. Remove the SCS service connector from the service check connector.
  6.  

2.0L, 2.4L And 3.0L Engines



3.2L And 3.5L Engines



 
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