Pinpoint Test Ab: Cold Start System: Introduction

2018 Ford Expedition Limited, RWDSECTION Introduction
WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2016 Lincoln Navigator, 2016 Lincoln MKZ, 2016 Lincoln MKX, 2016 Lincoln MKT, and 2016 Lincoln MKS. However, it is still accessible from the selected car via links, so may be relevant.
WARNING: REFER TO THE FUEL SYSTEM WARNING INFORMATION AT THE BEGINNING OF PINPOINT TEST HC .

FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY.Β 

This pinpoint test is intended to diagnose the following:

  • cold start fuel pump
  • cold start relay
  • cold start valve
  • fuel injector heaters
  • fuel injector heater control module
  • harness circuits: B+, CSM, CSRC, CSV, FIHC, FIHM, FIH1, FIH2, FIH3, GND, PWRGND, VBATT and VPWR
Fig 1: Identifying Cold Start Fuel Pump Connector
G07432330Courtesy of FORD MOTOR CO.
Pin Circuit
1 GND (Ground)
2 CSM (Cold Start Monitor)
Fig 2: Identifying Cold Start Relay Connector
G06054163Courtesy of FORD MOTOR CO.
Vehicle Connector Pin Circuit
Fusion A 5
1
2, 3
CSM
CSRC
B+
EcoSport A 5
2
1, 3
CSM
CSRC
B+
Fig 3: Identifying Cold Start Valve Connector
G07431547Courtesy of FORD MOTOR CO.
Vehicle Connector Pin Circuit
Fusion A 1
2
CSV
VPWR
EcoSport A 2
1
CSV
VPWR
Fig 4: Identifying Fuel Injector Heater Assembly Connector
G09137126Courtesy of FORD MOTOR CO.
Pin Circuit
2 GND (Ground)
1 FIH (Fuel Injector Heater)
Fig 5: Identifying Fuel Injector Heater Control-A Module Connector
G10766337Courtesy of FORD MOTOR CO.
Pin Circuit
1 FIHM (Fuel Injection Heater Monitor)
2 FIHC (Fuel Injection Heater Control)
3 PWRGND (Power Ground)
4 VPWR (Vehicle Power)
5 VBATT (Battery Voltage)
Fig 6: Identifying Fuel Injector Heater Control-B Module Connector
G10766338Courtesy of FORD MOTOR CO.
Pin Circuit
4 FIH3 (Fuel Injector Heater 3)
1 FIH2 (Fuel Injector Heater 2)
3 FIH1 (Fuel Injector Heater 1)
Fig 7: Identifying Powertrain Control Module Power (PCM Power) Relay Connector
G07431323Courtesy of FORD MOTOR CO.
Pin Circuit
5 VPWR (Vehicle Power)

Powertrain Control Module (PCM) ConnectorΒ 

For PCM connector views or reference values, refer to REFERENCE VALUES .

Vehicle Connector Pin Circuit
EcoSport 2.0L Automatic Transmission 128 PIN E7
E30
E16
CSV
CSM
CSRC
Fusion 190-PIN E68
B39
B4
CSV
CSM
CSRC
All other vehicles 80 PIN B33
B24
B45
CSV
CSM
CSRC
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.