Unable to Activate Self Test/SCP Communication Error/DTC Not Listed

1996 PCED OBDI

SECTION 18: Diesel Diagnosis — 7.3L DI Engine

AF: Unable to Activate Self Test/SCP Communication Error/DTC Not Listed
Introduction

AF: Pinpoint Tests

Note

You should enter this pinpoint test only when directed here.

Remember

This pinpoint test is intended to diagnose only the following:

Standard corporate protocol (SCP) communication bus harness circuits: BUS (+), BUS(-)
Harness circuits: chassis ground, power ground (PWR GND), battery voltage (VBAT)
Powertrain control module (PCM)

AF: Pinpoint Tests