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Home >> Mazda >> 1999 >> B2500 TL, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 19 (Cruise Control Systems) >> Self-Diagnostic System >> Self-Diagnostic Test

Self-Diagnostic Test

WARNING: This page is about a different car, the 2000 Mazda B4000, 2000 Mazda B3000, and 2000 Mazda B2500. However, it is still accessible from the selected car via links, so may be relevant.
  1. Place gear selector in Park. Ensure parking brake is engaged and brake pedal is released. While holding cruise control OFF button, turn ignition switch to RUN position. Cruise control indicator on instrument cluster should flash once to indicate successful entry into self-diagnostic mode. If cruise control indicator does not flash, repeat this step. If cruise control indicator still does not flash, repair cruise control light.
  2. Release cruise control OFF button. Within 5 seconds of entering self-diagnostic mode, press cruise control ON button. Press remaining cruise control buttons in the following sequence; ON, RES, COAST, and SET/ACCEL. As each button is pressed, cruise control indicator will flash. Wait until indicator light goes out before pressing next button.
  3. After sequence has been completed, indicator light will flash to indicate test passed or failed. See FLASH CODE  table. Perform appropriate procedure or SYSTEM TEST as specified.
  4. Immediately after static test has passed, actuator performs a dynamic test by automatically operating throttle .04-.40" (1-10 mm). Observe throttle for any sticking of cable or linkage. Ensure throttle returns properly. Turn ignition switch to LOCK position.
  5. If no flash codes exist, repair cruise control system by symptom. Perform appropriate test under SYSTEM TESTS  .
FLASH CODE

Flash Code Go To
Flash Code 1
(With Throttle Pull) Test Passed
(No Throttle Pull At Throttle Body) (1)
(No Throttle Pull At Servo) Test A 
(Cruise control Inoperative) (2)
Flash Code 2
Brake Pedal Position (BPP) Switch Circuit Test B 
Flash Code 3 (Deactivator Switch Circuit) Test C 
Flash Code 4
Vehicle Speed Sensor (VSS) Circuit (2)
Flash Code 5 (Servo) (3)
(1) Replace cruise control servo cable and perform self-test diagnostics using New Generation Star (NGS) tester.
(2) If vehicle is equipped with 4-wheel ABS, perform TEST D: FLASH CODE 4 - VEHICLE SPEED SENSOR (VSS) CIRCUIT FAILURE  under SYSTEM TESTS. If vehicle is equipped with rear ABS, perform module communication check using New Generation Star (NGS) tester.
(3) Replace cruise control servo and repeat SELF-DIAGNOSTIC TEST  .
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