Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2018 Ford Focus Titanium, 4D SedanFACTORY OEM SERVICE PROCEDURE
Pinpoint Test Index
| Pinpoint Test | Description |
|---|---|
| PINPOINT TEST A | NO START |
| PINPOINT TEST AA | AUTO START STOP |
| PINPOINT TEST AB | COLD START SYSTEM |
| PINPOINT TEST B | POWERTRAIN CONTROL MODULE (PCM) POWER RELAY |
| PINPOINT TEST C | REFERENCE VOLTAGE (VREF) |
| PINPOINT TEST DA | INTAKE AIR TEMPERATURE (IAT) SENSOR |
| PINPOINT TEST DC | MASS AIRFLOW (MAF) SENSOR |
| PINPOINT TEST DD | FUEL PRESSURE, FUEL RAIL PRESSURE (FRP) AND FUEL RAIL PRESSURE TEMPERATURE (FRPT) SENSORS |
| PINPOINT TEST DF | VEHICLE SPEED CIRCUIT (VSC) CHECK |
| PINPOINT TEST DG | KNOCK SENSOR (KS) |
| PINPOINT TEST DI | DIRECT FUEL INJECTION FUEL INJECTOR |
| PINPOINT TEST DK | ACCELERATOR PEDAL POSITION (APP) SENSOR |
| PINPOINT TEST DL | CYLINDER HEAD TEMPERATURE (CHT) SENSOR |
| PINPOINT TEST DM | MANIFOLD PRESSURE SENSORS |
| PINPOINT TEST DN | PRESSURE AND TEMPERATURE SENSORS |
| PINPOINT TEST DO | BAROMETRIC PRESSURE (BARO) SENSOR |
| PINPOINT TEST DP | OUTPUT SHAFT SPEED (OSS) SENSOR/VEHICLE SPEED SENSOR (VSS) |
| PINPOINT TEST DR | CAMSHAFT POSITION (CMP) SENSOR |
| PINPOINT TEST DS | EXHAUST GAS RECIRCULATION TEMPERATURE (EGRT) SENSOR |
| PINPOINT TEST DT | EXHAUST PRESSURE (EP) SENSOR |
| PINPOINT TEST DV | THROTTLE BODY ASSEMBLY ELECTRONIC THROTTLE CONTROL (ETC) |
| PINPOINT TEST DW | HEATED OXYGEN SENSOR (HO2S) |
| PINPOINT TEST DX | ENGINE COOLANT TEMPERATURE (ECT) SENSOR |
| PINPOINT TEST DY | ENGINE OIL TEMPERATURE (EOT) SENSOR |
| PINPOINT TEST DZ | UNIVERSAL HEATED OXYGEN SENSOR (HO2S) |
| PINPOINT TEST EM | EMISSION COMPLIANCE |
| PINPOINT TEST FA | AMBIENT AIR TEMPERATURE (AAT) SENSOR |
| PINPOINT TEST FB | POWER TAKE OFF (PTO) |
| PINPOINT TEST FD | BRAKE PEDAL INPUTS |
| PINPOINT TEST H | FUEL CONTROL |
| PINPOINT TEST HC | FUEL DELIVERY SYSTEM |
| PINPOINT TEST HD | MISFIRE DETECTION MONITOR |
| PINPOINT TEST HE | EXHAUST GAS RECIRCULATION (EGR) SYSTEMS |
| PINPOINT TEST HF | CATALYST EFFICIENCY MONITOR AND EXHAUST SYSTEMS |
| PINPOINT TEST HG | POSITIVE CRANKCASE VENTILATION (PCV) SYSTEM |
| PINPOINT TEST HK | VARIABLE CAMSHAFT TIMING (VCT) |
| PINPOINT TEST HN | TURBOCHARGER SYSTEM |
| PINPOINT TEST HP | HIGH PRESSURE FUEL DELIVERY SYSTEM |
| PINPOINT TEST HU | INTAKE AIR SYSTEMS |
| PINPOINT TEST HV | ELECTRIC COOLING FAN CLUTCH |
| PINPOINT TEST HX | EVAPORATIVE EMISSION (EVAP) SYSTEM AND MONITOR |
| PINPOINT TEST JB | SECONDARY IGNITION (COP) |
| PINPOINT TEST JC | SECONDARY IGNITION (COIL PACK) |
| PINPOINT TEST JD | CRANKSHAFT POSITION (CKP) SENSOR |
| PINPOINT TEST JE | INTEGRATED IGNITION COIL PACK |
| PINPOINT TEST JF | INTEGRATED IGNITION COIL ON PLUG COILS A THROUGH J FAILURE |
| PINPOINT TEST KC | FUEL PUMP CONTROL MODULE |
| PINPOINT TEST KD | ELECTRIC EXHAUST GAS RECIRCULATION (EGR) |
| PINPOINT TEST KF | FAN CONTROL RELAYS |
| PINPOINT TEST KG | FUEL INJECTOR |
| PINPOINT TEST KN | VARIABLE SPEED ELECTRIC COOLING FAN MOTOR |
| PINPOINT TEST KP | CHARGE AIR COOLER (CAC) |
| PINPOINT TEST QA | UNABLE TO ACTIVATE SELF-TEST/NETWORK COMMUNICATION ERROR |
| PINPOINT TEST QB | KEEP ALIVE POWER (KAPWR) |
| PINPOINT TEST QC | ON BOARD DIAGNOSTIC (OBD) SYSTEMS READINESS |
| PINPOINT TEST QD | DTC P1260: PASSIVE ANTI-THEFT SYSTEM |
| PINPOINT TEST QE | ELECTRONIC THROTTLE CONTROL (ETC) SYSTEM |
| PINPOINT TEST RA | PARTICULATE FILTER SYSTEM |
| PINPOINT TEST RB | EXHAUST GAS TEMPERATURE (EGT) SENSOR |
| PINPOINT TEST RC | PARTICULATE PRESSURE SENSOR |
| PINPOINT TEST TA | CLUTCH PEDAL POSITION (CPP) SWITCH |
| PINPOINT TEST Z | INTERMITTENT |
Factory Service Tools
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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.
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