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.
Inspection Procedures
- CHECK DTC RELEVANT TO TPS
- Connect a Hi-Scan (Pro) to the data link connector.
- Turn ignition to ON position and monitor other DTCs.
Are any other DTC relating to TPS set?
No: Go to next
Yes: Do all repairs associated with those codes before proceeding with this procedure.
- CHECK INTAKE SYSTEM
- Inspect the intake system for the following items :
- Air leakage
- Connection of each component
Are the items okay?
Yes: Go to next
No: Repair or replace it.
- CHECK TPS
- Turn ignition switch to OFF position.
- Measure resistance between terminals 1 and 2 of the TPS.
- Measure resistance between terminals 2 and the 3 of TPS.
- Refer to SPECIFICATIONS
for more information.
Is resistance within specification?
Yes: Proceed with ECM PROBLEM PROCEDURE .
No: Replace TPS.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.