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.
2006 Mercury Mariner 4WD V6-3.0L VIN 1FACTORY OEM SERVICE PROCEDURE
Tests DH: Throttle Position (TP) Sensor
PINPOINT TEST DH: THROTTLE POSITION (TP) SENSOR
This pinpoint test is intended to diagnose the following:
^ TP sensor (9B989)
^ binding or sticking throttle linkage
^ harness circuits: TP SIGRTN VREF VPWR and PWRGND
^ powertrain control module ( PCM) (12A650)
Reference:
PCM Connector
DH1 - DH3:
DH4 - DH6:
DH7 - DH8:
DH9 - DH10:
DH11 - DH12:
DH13 - DH14:
DH15 - DH16:
DH17 - DH18:
DH19 - DH20:
DH21 - DH22:
DH23 - DH24:
DH25:
Factory Service Tools
Use the Manual With the Right Hardware
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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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