Code No. P0016: Crank Angle Sensor/Camshaft Position Sensor Phase Problem


OPERATION



  • Refer to Code No. P0335: Crank Angle Sensor System
  • Refer to Code No. P0340: Camshaft Position Sensor System

FUNCTION



  • The engine-ECU monitors the signals input from the crank angle sensor and camshaft position sensor.
  • The engine-ECU compares these input pulse signals to check the position relations for validity.

TROUBLE JUDGMENT


Check Conditions
  • Battery positive voltage is 8 - 16 V
  • One of the following two is true.

  1. 2 seconds have passed after the ignition switch is turned on, the crank angle sensor and camshaft position sensor output signals are normal, and the engine rotation speed is 1,200 r/min or lower.
  2. Cranking is in progress, the engine rotation speed is 350 r/min or faster, and the engine cooling water temperature is -30°C or higher.
Judgment Criterion
  • The phase shift angle between the crank and camshaft position sensor signals exceeds its threshold value.

FAIL-SAFE AND BACKUP FUNCTION



  • The engine is stopped (The fuel injection and pump pressure feed are stopped).

PROBABLE CAUSES



  • Failed crank angle sensor
  • Failed camshaft position sensor
  • Harness damage in crank angle sensor circuit or loose connector contact
  • Harness damage in camshaft position sensor circuit or loose connector contact
  • Failed timing chain
  • Failed engine-ECU

DIAGNOSTIC PROCEDURE

STEP 1. M.U.T.-III diagnosis code.

Q. Is any other diagnosis code than P0016 set?
Inspection chart for diagnosis codes (Refer to ).
Go to Step 2.

STEP 2. Check the timing chain.

  • See the timing marks to check for skipped gear teeth.

Q. Is the check result normal?
Go to Step 3.
Align the timing mark of the timing chain.

STEP 3. Check crank angle sensor and camshaft position sensor for correct mounting condition.

Q. Is the check result normal?
Go to Step 4.
Repair.

STEP 4. Check harness between camshaft position sensor connector terminal and engine-ECU connector terminal SGCB.

  • Check power supply line for damage.

Q. Is the check result normal?
Go to Step 5.
Repair or replace the connector, or repair the damaged harness wire.

STEP 5. Check harness between camshaft position sensor connector terminal and engine-ECU connector terminal SGCG.

  • Check earthing line for damage.

Q. Is the check result normal?
Go to Step 6.
Repair or replace the connector, or repair the damaged harness wire.

STEP 6. Check harness between camshaft position sensor connector terminal and engine-ECU connector terminal SGC.

  • Check output line for damage.

Q. Is the check result normal?
Go to Step 7.
Repair or replace the connector, or repair the damaged harness wire.

STEP 7. Check harness between crank angle sensor connector terminal and engine-ECU connector terminal SGTB.

  • Check power supply line for damage.

Q. Is the check result normal?
Go to Step 8.
Repair or replace the connector, or repair the damaged harness wire.

STEP 8. Check harness between crank angle sensor connector terminal and engine-ECU connector terminal SGTG.

  • Check earthing line for open circuit and damage.

Q. Is the check result normal?
Go to Step 9.
Repair or replace the connector, or repair the damaged harness wire.

STEP 9. Check harness between crank angle sensor connector terminal and engine-ECU connector terminal SGT.

  • Check output line for damage.

Q. Is the check result normal?
Go to Step 10.
Repair or replace the connector, or repair the damaged harness wire.

STEP 10. Check timing mark on the timing chain.

Q. Is the check result normal?
Go to Step 11.
Align the timing marks on timing chain.

STEP 11. Check camshaft sensing portion.

Q. Is the check result normal?
Go to Step 12.
Replace the inlet camshaft.

STEP 12. Replace the crank angle sensor.

  • After replacing the crank angle sensor, reconfirm whether the diagnosis code is set.

Q. Is the diagnosis code set?
Go to Step 13.
Check end.

STEP 13. Replace the camshaft position sensor.

  • After replacing the camshaft position sensor, reconfirm whether the diagnosis code is set.

Q. Is the diagnosis code set?
Go to Step 14.
Check end.

STEP 14. Replace the crankshaft sensing ring.

  • After replacing the crankshaft sensing ring, reconfirm whether the diagnosis code is set.

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 ).