Your Vehicle: 2001 Ford Escort ZX2 L4-2.0L DOHC VIN 3
 
Vehicle » Powertrain Management » Computers and Control Systems » Testing and Inspection » Pinpoint Tests » C: Reference Voltage - Introduction  
 
 
  C: Reference Voltage - Introduction  
 

C: Reference Voltage Introduction

C: Pinpoint Tests See: C: Reference Voltage - Pinpoint Test

Note

This Pinpoint Test is intended to diagnose the following:

  • Sensor harness circuits: SIG RTN, VREF
  • 3-wire sensors: throttle position (TP) sensor, differential pressure feedback EGR sensor, A/C pressure (ACP) sensor, fuel tank pressure (FTP) sensor, power steering pressure (PSP) sensor, fuel rail pressure (FRP) sensor and barometric (BARO) pressure sensor.
  • Powertrain control module (PCM) (12A650)

Pinpoint Test Schematics and Connectors

2.0L 4V Focus

  

2.0L 4V Escort , 2.0LCougar

  

LS6/LS8

  

All Others

  

SENSORS CONNECTED TO VREF