PINPOINT TEST AQ: Injection Control Pressure Too Low - Engine Cranking: Introduction

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This pinpoint test is intended to diagnose the following:

harness circuits: ICP and IPR
high-pressure oil pump
ICP sensor
IPR valve

Fig 1: Injection Control Pressure (ICP) Sensor Connector

Pin	Circuit
2	VREF (Reference Voltage)
1	SIGRTN (Signal Return)
3	ICP (Injection Control Pressure)

Fig 2: Powertrain Control Module Connector Terminals

Pin	Circuit
E29	ICP (Injection Control Pressure)