Mazda 3 - Circuit Open;Short Inspection

Mazda 3 Workshop Manual – Engine + Wiring Diagrams + Diagnostic Trouble Codes
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950
3. Verify that the resistance between terminals B and C changes moderately corresponding to the throttle
valve openings.
• If the resistance change is verified, go to the next step.
• If the resistance change is not verified, replace the TP sensor. (See THROTTLE POSITION
(TP) SENSOR REMOVAL/INSTALLATION [Z6].)
4. Measure the resistance between terminals A and B.
• If not within the specification, replace the TP sensor. (See THROTTLE POSITION (TP)
SENSOR REMOVAL/INSTALLATION [Z6].)
• If the monitor item condition/specification (reference) is not within the specification, even though
there is no malfunction, perform the "Circuit Open/Short Inspection".
TP sensor resistance
2.5-6.0 kilohms [25 °C {77 °F}]
Circuit Open/Short Inspection
1. Remove the PCM connector cover.
2. Disconnect the PCM connector. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [Z6].)
3. Inspect the following wiring harness for open or short circuit (continuity check).