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Home >> Mazda >> 1999 >> B2500 SX, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 4 (Engine Controls - Self-Diagnostics - EEC-V - 6.8L (99S E Series & 99S F350 To F550)) >> Quick Test >> KOER On-Demand Self-Test >> Description

KOER On-Demand Self-Test: Description

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KOER on-demand self-test is a functional test of PCM performed with ignition key on, engine running. A check of certain inputs and outputs is made during operating conditions and normal operating temperature. The brake pedal position, transmission control and power steering switch tests are part of KOER on-demand self-test and must be performed during this operation (if applicable). A fault must be present at time of testing for KOER on-demand self-test to detect a fault.

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