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HOMESERVICE MANUALSFORD2007FOCUS SES, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1627 (ENGINE CONTROLS - PINPOINT TEST KE: IDLE AIR CONTROL (IAC) VALVE THROUGH PINPOINT TEST Z: INTERMITTENT - (EXCEPT DIESEL & HYBRID))PINPOINT TEST Z: INTERMITTENTINTRODUCTION
2007 Ford Focus SES, 4D Sedan, Standard

Pinpoint Test Z: Intermittent: Introduction

2007 Ford Focus SES, 4D Sedan, StandardSECTION Introduction
WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 2006 Mercury Mountaineer, 2006 Mercury Monterey, 2006 Mercury Montego, 2006 Mercury Milan, and 2006 Mercury Mariner. However, it is still accessible from the selected car via links, so may be relevant.
WARNING: CROWN VICTORIA POLICE INTERCEPTOR VEHICLES EQUIPPED WITH FIRE SUPPRESSION SYSTEM, REFER TO FIRE SUPPRESSION SYSTEM FOR IMPORTANT SAFETY WARNINGS . FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY.

This pinpoint test is intended to diagnose and isolate intermittent concerns for the following:

  • all electronic engine control (EEC) subsystems

This chart is used to determine which test to run for the suspect circuit. PIDs corresponding to each circuit are listed. Some circuits do not have an associated PID or the PID may not be available and has to be measured with a digital multimeter (DMM). More specific information on the PID can be found in REFERENCE VALUES . If the vehicle has a coil pack system with a no start condition, carry out the ignition test.

PCM PIDS/SIGNALS

PCM/TCM PIDS/SIGNALS Associated Circuit Test Type
4X4 4X4 input
ACCS A/CCS input
ACCR (WAC) ACCR output
ACET ACET input
ACP, ACP V ACPSW input
AIR AIR output
AIRM AIRM input
APP1 APPS input
APP2 APPS input
APP3 APPS input
BPS/BOO BPS input
CCS CCS output
Use Digital Multimeter CD-A (primary) output
Use Digital Multimeter CD-B (primary) output
Use Digital multimeter CD-C (primary) output
Use Digital Multimeter CD-D (primary) output
CHT, CHT V CHT input
CKP CKP input
CMP CMP input
CPP CPP input
CTO CTO output
DPFEGR DPFE input
ECT, ECT V ECT input
EGRMC1 EGRMC1 output
EGRMC2 EGRMC2 output
EGRMC3 EGRMC3 output
EGRMC4 EGRMC4 output
EGRMDSD EGRMC output
EGRVR EGRVR output
EOT, EOT V EOT input
EPC, EPC V EPC output
EVAPC V CV output
EVAPPDC VMV output
EVAPPF VMV output
EVAPPF VMV output
FLI, FLI V FLI input
FP FP output
FPM FPM input
FP M FPM input
FRP, FRP V FRP input
FRT FRT input
FTP, FTP V FTP input
GEN RC GENRC output
GENLI GENLI input
HFC HFC output
HOS11 HEGO input
HOS12 HEGO input
HOS13 HEGO input
HTR11 HEGO output
HTR12 HEGO output
HTR13 HEGO output
IAC IAC output
IAT, IAT V IAT input
IAT2, IAT2 V IAT 2 input
IMRC IMRC output
IMRCM IMRCM input
IMTV1 IMTV1 output
IMTV2 IMTV2 output
KS1 KS1 input
KS2 KS2 input
LFC LFC output
MAF, MAF V MAF input
MAP V MAP input
OSS OSS input
PSP, PSPV PSP input
PSPT PSP input
PTO PTO input
SS1 SS1 output
SS2 SS2 output
SS3 SS3 output
SS4 SS4 output
TACM (+) TACM (+) output
TACM (-) TACM (-) output
TP1 TP1 input
TP2 TP2 input
TCC TCC output
TCIL TCIL output
TCS TCS input
TFT, TFT V TFT input
TP, TPV TP input
TSS/ISS TSS input
VCT1 VCT1 output
VCT2 VCT2 output
VPWR VPWR input
Use Digital Multimeter VREF output
Use Digital Multimeter VSO output
VSS VSS+ input
WAC WAC output
RENDER: 1.0x

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When to See a Mechanic

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

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