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HOMESERVICE MANUALSMAZDA2006B4000 BASE, AUTOMATICREPAIR AND DIAGNOSISELECTRICALGAUGESTROUBLESHOOTING (INSTRUMENTATION/DRIVER INFORMATION)PINPOINT TEST 2: HEADLAMP ON WARNING CHIME DOES NOT OPERATE CORRECTLYPOSSIBLE CAUSES
2006 Mazda B4000 Base, Automatic

Possible Causes

2006 Mazda B4000 Base, AutomaticSECTION Possible Causes
  • circuit (B/P) open
  • instrument cluster
    CAUTION:
    • Use the correct probe adaptor(s) when making measurements. Failure to use the correct probe adaptor(s) may damage the connector.
HEADLAMP ON WARNING CHIME DOES NOT OPERATE CORRECTLY PINPOINT TEST REFERENCE

PINPOINT TEST 2 HEADLAMP ON WARNING CHIME DOES NOT OPERATE CORRECTLY
STEP INSPECTION ACTION
1 CHECK THE INSTRUMENT CLUSTER IGNITION SWITCH PID
  • Key ON.
  • Enter the following diagnostic mode on the diagnostic tool:
    • - Instrument Cluster PID
  • Monitor the instrument cluster ignition switch PID while placing the ignition switch in OFF, ACC, and ON position.
  • Do the PID values agree with the ignition switch position? 
 Yes Go to next step.
No See PINPOINT TEST 1: KEY-IN-IGNITION WARNING CHIME DOES NOT OPERATE CORRECTLY  .
2 VERIFY THE INTERIOR LAMPS OPERATE CORRECTLY
  • Open the driver door.
  • Do the interior lamps illuminate correctly? 
 Yes Go to next step.
No See INTERIOR LIGHTING to continue diagnosis of the interior lamps.
3 VERIFY THE EXTERIOR LAMPS OPERATE CORRECTLY
  • Place the headlamp switch in the headlamps or parking lamps on position.
  • Do the parking lamps operate correctly? 
 Yes Go to next step.
No See EXTERIOR LIGHTING to continue diagnosis of the exterior lamps.
4 CHECK CIRCUIT (B/P) FOR VOLTAGE
  • Key OFF.
  • Disconnect: Instrument cluster 0922-101.
  • Measure the voltage between the instrument cluster 0922-101 pin 4, circuit (B/P), harness side and ground, with the headlamp switch in the ON and OFF position.
  • Is the voltage greater than 10 volts with the headlamp switch ON and 0 volts with the headlamp switch OFF? 
 Yes Go to next step.
No Repair circuit (B/P) for an open. Test the system for normal operation.
5 CHECK FOR CORRECT INSTRUMENT CLUSTER OPERATION
  • Disconnect all the instrument cluster connectors.
  • Check for:
    • - corrosion
    • - pushed-out pins
  • Connect all the instrument cluster connectors and make sure they seat correctly.
  • Operate the system and verify the concern is still present.
  • Is the concern still present? 
 Yes Install a new instrument cluster. See INSTRUMENT CLUSTER . Test the system for normal operation.
No The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.