Contents Wiring diagrams Section: Testing & Diagnostics All sections

Pgm-Fi System: Removal & Installation Acura RSX I facelift

Testing & Diagnostics 11 illustrations ~568 words

A/F Sensor Replacement

Special Tools Required

O2 sensor wrench, Snap-on YA8875, SP Tools 93750, or equivalent, commercially available

Scheme 190

Scheme 190: A/F Sensor Replacement
  1. Disconnect the A/F sensor 4P connector (A), then remove the A/F sensor (B).
  2. Install the A/F sensor in the reverse order of removal.

Secondary HO2S Replacement

Special Tools Required

O2 sensor wrench, Snap-on YA8875, SP Tools 93750, or equivalent, commercially available

Scheme 191

Scheme 191: Secondary HO2S Replacement
  1. Disconnect the secondary HO2S 4P connector (A), then remove the secondary HO2S (B).
  2. Install the secondary HO2S in the reverse order of removal.

Scheme 192

Scheme 192: CKP Sensor Replacement
  1. Disconnect the CKP sensor 3P connector.
  2. Remove the CKP sensor (A).
  3. Install the sensor in the reverse order of removal with a new O-ring (B).
  4. 2005-2006 models: Do the CKP pattern clear/pattern learn procedure (see «ECM/PCM RESET (2005-2006 MODELS)»(ref-218783-S41815111952006021000000) ).

Scheme 193

Scheme 193: ECT Sensor Replacement
  1. When the engine is cool, drain the coolant from the radiator (see «COOLANT CHECK»(ref-218781-S40044508412006021000000) ).
  2. Remove the air cleaner (see «AIR CLEANER REMOVAL/INSTALLATION»(ref-218789-S18697254912006021000000) ).
  3. Disconnect the ECT sensor 2P connector.
  4. Remove the ECT sensor (A).
  5. Install the sensor in the reverse order of removal with a new O-ring (B).
  6. Refill the cooling system (see «COOLANT CHECK»(ref-218781-S40044508412006021000000) ).

Scheme 194

Scheme 194: CMP Sensor B Replacement
  1. Remove the air cleaner (see «AIR CLEANER REMOVAL/INSTALLATION»(ref-218789-S18697254912006021000000) ).
  2. Disconnect the CMP sensor B 3P connector.
  3. Remove CMP sensor B (A) from the exhaust camshaft side of the cylinder head.
  4. Install the sensor in the reverse order of removal with a new O-ring (B).

Scheme 195

Scheme 195: IAT Sensor Replacement
  1. Disconnect the IAT sensor 2P connector.
  2. Remove the clip (A) and the IAT sensor (B).
  3. Install the sensor in the reverse order of removal.

Scheme 196

Scheme 196: K20A2/K20Z1 engines
  1. Remove the intake manifold bracket (A).
  2. Disconnect the knock sensor 1P connector.
  3. Remove the knock sensor (B).
  4. Install the sensor in the reverse order of removal.

Scheme 197

Scheme 197: K20A3 engine
  1. Remove the intake manifold (see «INTAKE MANIFOLD REMOVAL AND INSTALLATION»(ref-218780-S04926945432006021000000) ).
  2. Disconnect the knock sensor 1P connector.
  3. Remove the knock sensor (A).
  4. Install the sensor in the reverse order of removal.

Scheme 198

Scheme 198: 2005-2006 M/T models
  1. Remove the air cleaner (see «AIR CLEANER REMOVAL/INSTALLATION»(ref-218789-S18697254912006021000000) ).
  2. Disconnect the output shaft (countershaft) speed sensor connector (A).
  3. Remove the output shaft (countershaft) speed sensor (B).
  4. Install the sensor in the reverse order of removal with a new O-ring (C).

Scheme 199

Scheme 199: 2002-2004 models
  1. Disconnect the negative cable from the battery.
  2. Remove the passenger's dashboard lower cover (A) (see «PASSENGER'S DASHBOARD LOWER COVER REMOVAL/INS»(ref-218810-S23640993492006021000000) ).
  3. Remove the ECM/PCM mounting bolts (B) and the ECM/PCM (C).
  4. Install the ECM/PCM in the reverse order of removal.
  5. Reconnect the negative cable to the battery.
  6. Do the ECM/PCM idle learn procedure (see «ECM/PCM IDLE LEARN PROCEDURE»(ref-218787-S18900728242006021000000) ).

Scheme 200

Scheme 200: 2005-2006 models
  1. Jump the SCS line with the HDS.
  2. Remove the passenger's dashboard lower cover (A) (see «PASSENGER'S DASHBOARD LOWER COVER REMOVAL/INS»(ref-218810-S23640993492006021000000) ).
  3. Remove the ECM/PCM mounting bolts (B) and the ECM/PCM (C).
  4. Install the ECM/PCM in the reverse order of removal.
  5. Open the SCS line with the HDS.
  6. Turn the ignition switch ON (II). NOTE: DTC P0630 "VIN Not Programmed or Mismatch" may be stored because the VIN has not been programmed into the ECM/PCM; ignore it, and continue this procedure.
  7. Input the VIN to the ECM/PCM with the HDS.
  8. Rewrite the immobilizer code with the ECM/PCM replacement procedure in the HDS; it allows you to start the engine.
  9. Reset the ECM/PCM with the HDS.
  10. Do the ECM/PCM idle learn procedure (see «ECM/PCM IDLE LEARN PROCEDURE»(ref-218787-S18900728242006021000000) ).
  11. Do the CKP pattern learn procedure (see «ECM/PCM RESET (2005-2006 MODELS)»(ref-218783-S41815111952006021000000) ).