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.
On-Vehicle Inspection
- INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSY
- Check the operation.
- Set the vehicle to inspection mode (see INTRODUCTION ).
- Connect the hand-held tester to the DLC3.
- Turn the power switch ON (IG).
- Turn the hand-held tester ON.
- Start the engine, then warm it up.
- Select the item: DIAGNOSIS / ENHANCED OBD II / ACTIVE TEST / VVT CTRL B1.
- Operate the OCV using the hand-held tester, then check the engine speed.
Standard:
TESTER OPERATIONS SPECIFIED CONDITIONTester Operation Specified Condition OCV is OFF Normal engine speed OCV is ON Rough idle or engine stall If the operation is not as specified, check the camshaft timing oil control valve, wire harness and ECM.
- Check the operation.
- INSPECT THROTTLE W/ MOTOR BODY ASSY
- Check the operation.
- Disconnect the throttle control motor connector (see REPLACEMENT ).
- Connect the hand-held tester to the DLC3.
- Turn the power switch ON (IG).
- Turn the hand-held tester ON.
- Select the item: DIAGNOSIS / ENHANCED OBD II / DATA LIST / PRIMARY / THROTTLE POS.
- Operate the link of the throttle with motor body by hand. When the throttle valve is fully opened, check that the value of the "THROTTLE POS" is within the specification.
Standard: 60 % or more
If the operation is not as specified, check the throttle with motor body, wire harness and ECM.
- Clear the DTC (see DTC CHECK/CLEAR ).
- Turn the hand-held tester OFF.
- Turn the power switch OFF.NOTE: Be sure to turn the power switch OFF after clearing the DTC.
- Connect the throttle control motor connector.
- Set the vehicle to inspection mode (see INTRODUCTION ).
- Turn the power switch ON (READY ON).
- Warm up the engine.
- Shift the transaxle position to D position, then check that the engine stops.
HINT:
- Check there is no load from the generator which impacts on the engine running.
- If the engine does not stop, keep the engine running for a while with the transaxle position at P position, then repair step (14).
D POSITION & LOAD OF POWER GENERATIOND Position Charging at HV Battery Load of Power Generation Stopped More than certain amount No load or a little Running Decreasing Exists - Turn the hand-held tester ON.
- Shift the transaxle position to P position, then start the engine.
- Select the item: DIAGNOSIS / ENHANCED OBD II / DATA LIST / PRIMARY / ENGINE SPD.
- Check that the engine speed is within the specification.
Standard: 950 to 1,050 RPM
If the engine speed is as specified, leave the engine for 3 minutes and check the engine speed again. If necessary, check the throttle with motor body, wire harness and ECM.
- Check the operation.
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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