Mazda RX-8 Manual page 808

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POSSIBLE CAUSE

System voltage low (KAM)

The PCM monitors the battery voltage when the engine is running. If the voltage

is less than 2.5 V , the PCM determines that the system voltage is low.

Diagnostic support note

This is a continuous monitor (CCM).

The MIL illuminates if the PCM detects the above malfunction condition in the

first drive cycle.

PENDING CODE is available if the PCM detects the above malfunction

FREEZE FRAME DATA is available.

The DTC is stored in the PCM memory.

Battery malfunction

Connector or terminal malfunction

Open circuit in wiring harness between battery positive terminal and PCM

Short to GND in wiring harness between battery positive terminal and PCM

Meltdown fuse

PCM malfunction

Engine Diagnostics & Control

Troubleshooting