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Control Unit Input Test (1997 Model)

SRS components are located in this area. Review the SRS component locations, precautions, and procedures in SRS (SUPPLEMENTAL RESTRAINT SYSTEM) article before performing repairs or service.

  1. Remove the driver's dashboard lower cover (see DASHBOARD COMPONENT REMOVAL/INSTALLATION ).
  2. Disconnect the 14P connector from the control unit.
  3. Inspect the connector and socket terminals to be sure they are all making good contact.

    If the terminals are bent, loose, or corroded, repair them as necessary, and recheck the system. If the terminals look OK, make the following input tests at the connector.

    • If any test indicates a problem, find and correct the cause, then recheck the system.
    • If all the input tests prove OK, the control unit must be faulty; replace it.
      Fig 1: Identifying Cruise Control Unit And I4P Connector
      G06289330Courtesy of AMERICAN HONDA MOTOR CO., INC.
POSSIBLE CAUSE RESULT REFERENCE

Cavity Wire Test condition Test: Desired result Possible cause if result is not obtained
8 BRN/WHT Under all conditions Check for resistance to ground:
There should be 80-120 Ω.
  • Faulty actuator solenoid
  • Poor ground (G201)
  • An open in the wire
1 BRN Under all conditions Check for resistance to ground:
There should be 40 - 60 Ω.
10 BRN/BLK Under all conditions Check for resistance to ground:
There should be 70 - 110 Ω.
2 GRY Ignition switch ON (II), main switch ON and brake pedal depressed, then released Check for voltage to ground:
There should be 0 V with the pedal depressed and battery voltage with the pedal released.
  • Faulty brake switch
  • An open in the wire
3 BLK Under all conditions Check for continuity to ground:
There should be continuity.
  • Poor ground (G401, G402)
  • An open in the wire
4 GRN/WHT Brake pedal depressed, then released Check for voltage to ground:
There should be battery voltage with the pedal depressed, and 0 V with the pedal released.
  • Blown No. 52 (15 A) fuse in the under-hood fuse/relay box
  • Faulty brake switch
  • An open in the wire
5 LT GRN/RED Set button depressed Check for voltage to ground:
There should be battery voltage.
  • Blown No. 52 (15 A) fuse in the under-hood fuse/relay box
  • Faulty horn relay
  • Faulty set/resume switch
  • Faulty cable reel
  • An open in the wire
6 LT GRN/BLK Resume button depressed
9 RED/BLU Ignition switch ON (II) Attach to ground:
Cruise indicator light in the gauge assembly should come on.
  • Blown bulb
  • Blown No. 25 (7.5 A) fuse in the under-dash fuse/relay box
  • Faulty dimming circuit in the gauge assembly
  • An open in the wire
12 BLU/WHT Ignition switch ON (II) and main switch ON; raise the front of the vehicle, and rotate one wheel slowly with the other one blocked. Check for voltage between the BLU/WHT (+) and BLK (-) terminals: There should be 0 - 5 V or more - 0 - 5 V or more repeatedly.
  • Faulty vehicle speed sensor (VSS)
  • An open in the wire
13 LT GRN Ignition switch ON (II) and main switch ON Check for voltage-to ground:
There should be battery voltage.
  • Blown No. 14 (7.5 A) fuse in the under-dash fuse/relay box
  • Faulty main switch
  • An open in the wire
14 PNK A/T: Shift lever in [2], [D4 ] or [D4 ]
M/T: Clutch pedal released		 Check for continuity to ground:
There should be continuity.
NOTE: There should be no continuity when the clutch pedal is depressed or when the shift lever is in other positions.
  • Faulty A/T gear position switch
  • Faulty or misadjusted clutch switch (M/T)
  • Poor ground (G401, G402)
  • An open in the wire
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