Mercury V8 250

PCM 112
Section 2B - PCM 112 and Engine Control Overview
Table of Contents
PCM 112 Operation, Faults, and Data Fields.................... 2B-2
PCM Operation, Faults, and Data Fields.................... 2B-2
Faults.......................................................................... 2B-2
System Diagnostics Overview........................................... 2B-2
Comprehensive Component Diagnostics................... 2B-2
Closed‑Loop Control Status........................................2B-2
O2 Control State Diagnostic Aids...................................... 2B-3
Recommended Course of Action................................2B-3
PCM 112 and Engine Control Overview
90-8M0146617 eng JULY 2018 © 2018 Mercury Marine Page 2B-1
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