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Home >> Mazda >> 2007 >> B2300 Standard >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Troubleshooting (Instrumentation/Driver Information) >> Pinpoint Test 18: Safety Belt Warning Indicator Is Never/Always On >> Possible Causes

Possible Causes

SAFETY BELT WARNING INDICATOR IS NEVER/ALWAYS ON - PINPOINT TEST REFERENCE

PINPOINT TEST 18 SAFETY BELT WARNING INDICATOR IS NEVER/ALWAYS ON
STEP INSPECTION ACTION
1 RETRIEVE THE RECORDED DTCs FROM BOTH THE CONTINUOUS AND ON-DEMAND RCM SELF-TESTS
  • Retrieve the recorded DTCs from the RCM continuous and on-demand self-tests.
  • Are there any DTCs retrieved? 
Yes If DTC U0151 is retrieved, CLEAR the DTCs. REPEAT the self-tests. If DTC U0151 is retrieved again, go to step 3.
For all other DTCs, see DIAGNOSTIC TROUBLE CODE (DTC) INDEX - RESTRAINTS CONTROL MODULE (RCM) , .
No Go to next step.
2 CARRY OUT THE INSTRUMENT CLUSTER WARNING LAMP AND CHIME ACTIVE COMMAND USING THE SCAN TOOL
  • Key ON.
  • Enter the following diagnostic mode on the scan tool:
    • Instrument Cluster Active Command
  • Select the instrument cluster warning lamp and chime active command. Select the safety belt warning lamp active command on then off again. Observe the safety belt warning indicator.
  • Does the safety belt warning indicator illuminate when commanded on and turn off when commanded off? 
Yes Go to next step.
No Go to next step.
3 CHECK FOR CORRECT RCM OPERATION
  • Disconnect all the RCM connectors.
  • Check for:
    • corrosion
    • damaged pins
    • pushed-out pins
  • Connect all the RCM 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 RCM. See RESTRAINTS CONTROL MODULE (RCM) , . 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.
8 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.