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Cruise Control Inoperative/Malfunctioning

  1. If preliminary inspection has been performed, go to next step. If preliminary inspection has not been performed, go to PRELIMINARY INSPECTION  under TROUBLE SHOOTING.
  2. Turn ignition switch to OFF position. Wait 10 seconds. Turn ignition switch to ON position. If CRUISE indicator light is off, go to next step. If cruise indicator light is on, go to step  13 .
  3. Press cruise lever in CRUISE ON/OFF position and release. If CRUISE indicator light is on steady, go to next step. If CRUISE indicator light is not on steady, go to step  14 .
  4. Turn ignition switch to OFF position. Wait 5 seconds. Turn ignition switch to ON position. On automatic transaxle equipped models, move gear selector to Drive. On all models, move cruise lever down to SET/COAST position and hold. Press cruise lever in CRUISE ON/OFF position and release. CRUISE indicator light should flash twice, pause, and flash twice again. If CRUISE indicator light operates as specified, go to next step. If CRUISE indicator light does not operate as specified, go to DTC 32: CRUISE CONTROL FUNCTIONAL SWITCHES SHORTED  under DIAGNOSTIC TESTS.
  5. Move cruise lever up to RES/ACC position. CRUISE indicator light should flash 3 times, pause, and flash 3 times again. If CRUISE indicator light operates as specified, go to next step. If CRUISE indicator light does not operate as specified, go to DTC 32: CRUISE CONTROL FUNCTIONAL SWITCHES SHORTED  under DIAGNOSTIC TESTS.
  6. Pull cruise lever back (CANCEL position) and release. CRUISE indicator light should go off when cruise lever is pulled to CANCEL position and illuminate when cruise lever is released. If CRUISE indicator light operates as specified, go to next step. If CRUISE indicator light does not operate as specified, go to DTC 32: CRUISE CONTROL FUNCTIONAL SWITCHES SHORTED  under DIAGNOSTIC TESTS.
  7. Press and release brake pedal. CRUISE indicator light should go off when brake pedal is depressed and illuminate when brake pedal is released. If CRUISE indicator light operates as specified, go to next step. If CRUISE indicator light does not operate as specified, go to step  36 .
  8. If vehicle is equipped with automatic transaxle, go to next step. If vehicle is equipped with manual transaxle, go to step  10 .
  9. Move automatic transaxle shift lever to Neutral, then Drive while observing CRUISE indicator light. CRUISE indicator light should go off when shift lever is in Neutral, and illuminate when shift lever is in Drive. If CRUISE indicator light operates as specified, go to step  11 . If CRUISE indicator light does not operate as specified, go to step  27 .
  10. Press and release clutch pedal while observing CRUISE indicator light. CRUISE indicator light should go off when clutch pedal is pressed, and illuminate when clutch pedal is released. If CRUISE indicator light operates as specified, go to next step. If CRUISE indicator light does not operate as specified, go to step  29 .
    11. NOTE: To test cruise control operational functions, place vehicle on dynamometer to provide drive train load.
  11. Turn ignition switch to OFF position. Wait 5 seconds. Start engine. On automatic transaxle equipped vehicles, move shift lever to Drive. On all models, move cruise lever down to SET/COAST position and hold. While holding cruise lever down in SET/COAST position, press cruise lever in CRUISE ON/OFF position and release. Increase vehicle speed to 25 MPH while observing CRUISE indicator light. If CRUISE indicator light flashes, go to step  44 . If CRUISE indicator light does not flash, go to DTC: 21 VEHICLE SPEED SENSOR (VSS) OPEN OR SHORTED TO GROUND  under DIAGNOSTIC TESTS.
  12. Turn ignition switch to OFF position. Connect a fused jumper wire between DLC terminals No. 3 (E1) and No. 11 (Tc). See Figure . Turn ignition switch to ON position. If CRUISE indicator light flashes at a steady rate, go to step  35 . If CRUISE indicator light does not flash at a steady rate, go to step  15 .
  13. Turn ignition switch to OFF position. Disconnect Cruise Control Module (CCM) harness connector. See COMPONENT LOCATIONS  . Turn ignition switch to ON position. If CRUISE indicator light illuminates, go to step  19 . If CRUISE indicator light does not illuminate, go to step  18 .
  14. If CRUISE indicator light flashes on and off, go to step  12 . If CRUISE indicator light does not flash on and off, go to CRUISE CONTROL INOPERATIVE, SPEEDOMETER OPERATIVE  .
  15. If CRUISE indicator light flashes any DTCs, perform appropriate diagnostic test. See DIAGNOSTIC TROUBLE CODE (DTC) INDEX  table under SELF-DIAGNOSTIC SYSTEM. If CRUISE indicator light does not flash any DTCs, go to next step.
  16. Turn ignition switch to OFF position. Disconnect Cruise Control Module (CCM) harness connector. See COMPONENT LOCATIONS  . Using ohmmeter, check continuity of Pink/Black wire between CCM harness connector terminal No. 5 and DLC terminal No. 11 (Tc). See Figure and Figure . If continuity exists, go to step  18 . If continuity does not exist, go to step  20 .
  17. Start engine. Set overdrive switch to ON position. Increase vehicle speed to 50 MPH. Press cruise lever in CRUISE ON position and release. Ensure transaxle is in 4th gear (OD). Move cruise lever down to SET/COAST position. Press and hold parking brake release button while pulling up on parking brake lever to induce load until the point of the transaxle downshifting into 3rd gear. Immediately release parking brake while noticing if a 2-second delay occurs before transaxle upshifts to 4th gear. If transaxle delayed 2 seconds before upshifting, go to step  12 . If transaxle did not delay 2 seconds before upshifting, see appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
  18. Check for poor connection at CCM harness connector. If CCM connection is okay, check for other poor circuit connections. Repair connections as necessary. If all circuit connections are okay, replace CCM. See CRUISE CONTROL MODULE (CCM)  under REMOVAL & INSTALLATION. After repair, go to step  35 .
  19. Repair short to ground in Green/Red wire between CCM harness connector terminal No. 4 and instrument cluster harness connector C4, terminal No. 7. See WIRING DIAGRAMS  . After repair, go to step  2 .
  20. Repair open in Pink/Black wire between CCM harness connector terminal No. 5 and DLC connector, terminal No. 11. See WIRING DIAGRAMS  . After repair, go to step  2 .
  21. Turn ignition switch to OFF position. Disconnect CCM harness connector. See COMPONENT LOCATIONS  . Using ohmmeter, check continuity of Blue/White wire between CCM harness connector terminal No. 13 and PCM harness connector C3 terminal No. 3. If continuity does not exist, go to next step. If continuity exists, go to step  23 .
  22. Repair open in Blue/White wire between CCM harness connector terminal No. 13 and PCM harness connector C3, terminal No. 3. After repair, go to step  35 .
  23. With CCM and PCM harness connectors still disconnected, check continuity between CCM harness connector terminal No. 14 and PCM harness connector C3 terminal No. 1 (Red/White wire). See WIRING DIAGRAMS  . If continuity does not exist, go to next step. If continuity exists, go to step  25 .
  24. Repair open in Red/White wire between CCM harness connector terminal No. 14 and PCM harness connector C3 terminal No. 1. After repair, go to step  35 .
  25. With CCM and PCM harness connectors still disconnected, check continuity between CCM harness connector terminal No. 6 and PCM harness connector C1 terminal No. 20 (Brown/Yellow wire). See WIRING DIAGRAMS  . If continuity does not exist, go to next step. If continuity exists, go to step  17 .
  26. Repair open in Brown/Yellow wire between CCM harness connector terminal No. 6 and PCM harness connector C1 terminal No. 20. After repair, go to step  35 .
  27. Turn ignition switch to OFF position. Disconnect CCM harness connector. See COMPONENT LOCATIONS  . Using DVOM, measure voltage between CCM harness connector terminal No. 3 (Blue/Black wire) and ground. With brake pedal pressed firmly, transaxle shift lever in Drive and ignition switch in ON position, battery voltage should exist. If battery voltage does not exist, go to next step. If battery voltage exists, go to step  18 .
  28. Repair open in Blue/Black wire between CCM harness connector terminal No. 3 and splice SP251. See WIRING DIAGRAMS  . After repair, go to step  35 .
  29. Turn ignition switch to OFF position. Disconnect Cruise Control Module (CCM) harness connector. See COMPONENT LOCATIONS  . Using test light connected to ground, probe CCM harness connector terminal No. 3 (Blue/Black wire). Turn ignition switch to ON position. Test light should illuminate when clutch pedal is released and should not illuminate when clutch pedal is depressed. If test light does not operate as specified, go to next step. If test light operates as specified, go to step  18 .
  30. Turn ignition switch to OFF position. Using test light connected to ground, backprobe cruise control release switch harness connector terminal No. 2 (Blue/Black wire). Test light should illuminate when clutch pedal is released and should not illuminate when clutch pedal is depressed. If test light operates as specified, go to next step. If test light does not operate as specified, go to step  32 .
  31. Repair open in Blue/Black wire between CCM harness connector terminal No. 3 and cruise control release switch harness connector terminal No. 2. See WIRING DIAGRAMS  . After repair, go to step  35 .
  32. Turn ignition switch to OFF position. Using test light connected to ground, backprobe cruise control release switch harness connector terminal No. 1 (Red/Blue wire). If test light illuminates, go to next step. If test light does not illuminate, go to step  34 .
  33. Adjust or replace cruise control release switch . See CRUISE CONTROL RELEASE SWITCH  under REMOVAL & INSTALLATION. After repair, go to step  35 .
  34. Repair open in Red/Blue wire between cruise control release switch harness connector terminal No. 1 and junction block No. 2 harness connector C4 terminal No. 2. See WIRING DIAGRAMS  . After repair, go to next step.
  35. Turn ignition switch to OFF position. Reconnect all harness connectors. Turn ignition switch to ON position. CRUISE indicator light should be off. Press cruise lever in CRUISE ON/OFF position and release. CRUISE indicator light should illuminate. If CRUISE indicator light illuminates, system is okay. If CRUISE indicator light does not illuminate, go to step  2 .
  36. Disconnect CCM harness connector. See COMPONENT LOCATIONS  . Depress and hold brake pedal. Using ohmmeter, check continuity of Green/White wire between CCM harness connector terminal No. 2 and junction block No. 1 harness connector C7 terminal No. 11. If continuity exists, leave ohmmeter connected and go to next step. If continuity does not exist, go to step  38 .
  37. With ohmmeter still connected between CCM harness connector terminal No. 2 and junction block No. 2 harness connector C7 terminal No. 11, release brake pedal. If continuity exists, go to step  39 . If continuity does not exist, go to step  18 .
  38. Using ohmmeter, check for continuity between brakelight switch terminals while depressing brake pedal. If continuity does not exist, go to next step. If continuity exists, go to step  40 .
  39. Adjust or replace brakelight switch. See BRAKELIGHT SWITCH  under REMOVAL & INSTALLATION. After repair, check cruise control system for normal operation.
  40. Using ohmmeter, check continuity of Green/White wire between CCM harness connector terminal No. 2 and brakelight switch harness connector terminal No. 1. See WIRING DIAGRAMS  . If continuity exists, go to next step. If continuity does not exist, go to step  43 .
  41. Using ohmmeter, check continuity of Red/White wire between junction block No. 2 harness connector C3 terminal No. 7 and brakelight switch harness connector terminal No. 2. If continuity does not exist, go to next step. If continuity exists, go to step  36 .
  42. Repair open in Red/White wire between junction block No. 2 harness connector C3 terminal No. 7 and brakelight switch harness connector terminal No. 2. See WIRING DIAGRAMS  . After repair, check cruise control system for normal operation.
  43. Repair open in Green/White wire between CCM harness connector terminal No. 2 and brakelight switch harness connector terminal No. 1. See WIRING DIAGRAMS  . After repair, check cruise control system for normal operation.
  44. Determine if vehicle is equipped with a 3-speed or 4-speed automatic transaxle (4-speed transaxles have an overdrive switch on shift lever). If vehicle is equipped with a 4-speed transaxle, go to step  17 . If vehicle is equipped with a 3-speed transaxle, go to step  12 .
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