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Indicator Input Test

  1. If the MIL has been reported, check for a DTC, and repair the system as indicated by DTC.
  2. If the MIL does not come on, and either A/T gear position indicator does not come on, remove the gauge assembly from the dashboard, then disconnect gauge assembly connectors A (22P) and B (22P).
  3. Inspect the connectors and connector terminals to be sure they are making good contact.
  4. If the terminals are bent, loose, or corroded, repair them as necessary, and recheck the system.
  5. If no indicator is lit, remove that indicator bulb from the gauge assembly, and check for a burned-out. If the bulb has burned out, replace the indicator bulb (see INDICATOR BULB REPLACEMENT  ).
  6. Turn the ignition switch ON (II).
  7. Check for voltage between the following terminals of gauge assembly connector and ground in that shift lever position:
    • Connector terminal B2 and ground in the P position.
    • Connector terminal B4 and ground in the R position.
    • Connector terminal B3 and ground in the N position.
    • Connector terminal A15 and ground in the D position.
    • Connector terminal A16 and ground in the 2 position.
    • Connector terminal A14 and ground in the 1 position.
      Fig 1: Checking Voltage Between Gauge Assembly B(22P) Connector Terminal
      G03674936Courtesy of AMERICAN HONDA MOTOR CO., INC.
      Fig 2: Checking Voltage Between Gauge Assembly A(22P) Connector Terminal
      G03674937Courtesy of AMERICAN HONDA MOTOR CO., INC.
  8. There should be no voltage in that shift lever position, and there should be battery voltage in any other than that position.
  9. If the test result is different, check for a faulty transmission range switch or an open in the wire.
  10. Check for voltage between gauge assembly connector terminal A18 and ground with the ignition switch ON (II).

    There should be battery voltage. If there is no voltage, check for a blown No. 10 (7.5 A) fuse in the under-dash fuse/relay box or open in the wire.

    Fig 3: Checking Voltage Between Gauge Assembly Connector Terminal A18 And Ground
    G03674938Courtesy of AMERICAN HONDA MOTOR CO., INC.
  11. Turn the ignition switch OFF, and check for continuity between connector terminal A3 and ground under all conditions.

    There should be continuity. If there is no continuity, check for a poor ground (G502) or open in the wire.

  12. If a input tests prove OK, but the indicator is faulty, replace the printed circuit board or gauge assembly.
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