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Home >> Mazda >> 2008 >> B2300 L4-2.3L >> Repair and Diagnosis >> Instrument Panel, Gauges and Warning Indicators >> Instrument Cluster / Carrier >> Testing and Inspection >> Pinpoint Tests >> Instrument Cluster >> Pinpoint Test 20

Pinpoint Test 20

PINPOINT TEST 20: THE AIR BAG WARNING INDICATOR IS NEVER/ALWAYS ON

Normal Operation
The instrument cluster receives the supplemental restraint system (SRS) status from the restraints control module (RCM) over the high speed controller area network (HS-CAN) communication bus. The instrument cluster illuminates the air bag warning indicator upon receipt of a message from the RCM.
DTC U0151 (Lost Communication With The Restraints Control Module [RCM]) - is a continuous DTC that sets in the instrument cluster if a missing message from the RCM occurs and the instrument cluster defaults the air bag warning indicator on.

This pinpoint test is intended to diagnose the following:
- RCM
- Instrument cluster

Step 1-Step 4:




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