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Vehicle Speed Sensor (VSS): Integra

  1. Check ALTERNATOR & SP SENSOR fuse No. 15 (7.5-amp). Fuse is located in underdash fuse/relay box. Disconnect VSS 3-pin connector. VSS connector is located on top rear of transaxle. Connect VSS Test Harness (07LAJ-PT3020A) to VSS harness connector. See Fig 1. Check for continuity between Red test harness clip and ground. If continuity exists, go to next step. If continuity does not exist, repair open in Black wire between VSS and ground connector located at right side of engine.
  2. Connect positive voltmeter probe to White test harness clip, and connect negative voltmeter probe to Red test harness clip. See Fig 1. Turn ignition on. Measure voltage between White and Red test harness clips. If battery voltage exists, go to next step. If battery voltage does not exist, repair open in Black/Yellow wire between VSS and ALTERNATOR & SP SENSOR fuse No. 15 (7.5-amp).
  3. Disconnect White test harness clip. Connect Green test harness clip to positive voltmeter probe. Measure voltage between Green and Red test harness clips. If 5 volts exist, go to next step. If 5 volts do not exist, repair short in Orange wire between VSS and PCM 31-pin connector terminal No. 23.
  4. Turn ignition off. Connect other end of VSS Test Harness (07LAJ-PT3020A) to VSS connector. Raise and support front of vehicle. Place transaxle in Neutral and turn ignition on. Block one front wheel. While observing voltmeter, slowly rotate other front wheel. If voltage toggles between zero volts and about 5 volts, go to next step. If voltage does not toggle between zero volts and about 5 volts, replace VSS.
  5. Disconnect instrument panel 16-pin connector. Measure voltage between ground and instrument panel 16-pin harness connector terminal No. 6 (Orange wire). While observing voltmeter, slowly rotate one other front wheel. If voltage is toggling, replace speedometer. If voltage is not toggling, repair open in Orange or Blue/White wire between VSS and instrument panel 16-pin connector.
Fig 1: Connecting VSS Test Harness (07LAJ-PT3020A)
G98I11344Courtesy of AMERICAN HONDA MOTOR CO., INC.
NOTE: Before trouble shooting VSS, connect scan tool to DLC and check for stored code DTC P0720. If present, go to DTC P0720: COUNTERSHAFT SPEED SENSOR CIRCUIT under DIAGNOSTIC TESTS in SELF-DIAGNOSTICS - 3.2TL article.
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