Engine-Codes - Toyota - P1656 2000 TOYOTA ECHO

P1656 2000 TOYOTA ECHO - Oil Control Valve Circuit Malfunction

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

P1656 2000 TOYOTA ECHO Possible Causes

  • Faulty Oil Control Valve (OCV)
  • Oil Control Valve (OCV) harness is open or shorted
  • Oil Control Valve (OCV) circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

How is the P1656 2000 TOYOTA ECHO code repair?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

What is the cost to diagnose the P1656 2000 TOYOTA ECHO code

Labor: 1.0

The cost to diagnose the P1656 2000 TOYOTA ECHO code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
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When is the code detected?

Open or short in oil control valve circuit

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • No start

P1656 2000 TOYOTA ECHO Meaning

Variable Valve Timing (VVT) system controls the intake valve timing to proper timing in response to driving condition. The Engine Control Module (ECM) controls Oil Control Valve (OCV) to make the intake valve timing properly, and, oil pressure controlled with OCV is supplied to the VVT controller, and then, VVT controller changes relative position between the camshaft and the crankshaft.

More Information

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