Code No. P0336: Crank Angle Sensor Range/Performance Problem

OPERATION

Refer to Code No. P0335: Crank Angle Sensor System

FUNCTION

The crank angle sensor detects the crank angle (position) and inputs a pulse signal to the engine-ECU.
In response to the signal, the engine-ECU detects the engine speed, controls the fuel injection timing and fuel injection quantity, etc

TROUBLE JUDGEMENT

Check Conditions

Battery positive voltage is 6 - 16 V.
Engine speed is 350 r/min or more.

Judgement Criterion

The number of pulses from the crank angle sensor per engine rotation is abnormal.

FAIL-SAFE AND BACKUP FUNCTION

The rail pressure is controlled in the range between 50 and 100 MPa.
The DPF regeneration is prohibited.
The fuel injection amount is restricted (output restriction).
The throttle valve is closed (fixed opening degree).
The EGR control is stopped (fully closed).
The open angle of the accelerator pedal is restricted.

PROBABLE CAUSES

Failed crank angle sensor
Harness damage in crank angle sensor circuit or loose connector contact
Failed engine-ECU

DIAGNOSIS PROCEDURE

STEP 1. Installation check of crank angle sensor

Check whether the crank angle sensor is correctly installed.

Q. Is the check result normal?

	Go to Step 2.

	Repair or replace the crank angle sensor.

STEP 2. Check of open circuit, short to earth, and damage in SGTB line between crank angle sensor connector and engine-ECU connector.

Q. Is the check result normal?

	Go to Step 3.

	Repair the connector(s) or wiring harness.

STEP 3. Check of open circuit and damage in SGTG line between crank angle sensor connector and engine-ECU connector.

Q. Is the check result normal?

	Go to Step 4.

	Repair the connector(s) or wiring harness.

STEP 4. Check of damage in SGT line between crank angle sensor connector and engine-ECU connector.

Q. Is the check result normal?

	Go to Step 5.

	Repair the connector(s) or wiring harness.

STEP 5. M.U.T.-III diagnosis code

Reconfirmation of diagnosis code.

Q. Is the diagnosis code set?

	Replace the engine-ECU.

	Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions).