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Engine fails to stat, quicktest with lamp

Engine fails to stat, quick test with lamp

Fault symptoms

Engine fails to start

Diagnostic procedure

1. Check the fuses



- Check that the following fuses are intact:


Are the fuses intact?

yes

Continue with point 2.


no

Change any blown fuses and start the engine. Drive the car and check whether the fuses blow.


2. Check the control module's power supply



- Turn the ignition switch to the ON position.



- Check the fuel level.



- Check that the CHECK ENGINE lamp (MIL) lights up and stays on.


Did the CHECK ENGINE lamp (MIL) come on?

yes

Continue with point 3.


no

The control module has no power supply from the +15 or +30 circuits. Continue fault diagnosis as described in "anti-theft alarm" .


3. Check the performance of the crankshaft position sensor



- Run the starter motor.


Check whether the CHECK ENGINE lamp (MIL) goes out during starter motor cranking.

Did the CHECK ENGINE lamp (MIL) go out?

yes

Continue with point 4.


no

If the CHECK ENGINE lamp (MIL) did not go out, the control module is receiving no information from the crankshaft position sensor. Carry out fault diagnosis under as described for diagnostic trouble code P0336.


4. Check the power supply from the main relay



- Turn the ignition switch to the ON position.

- Unplug the IAC valve's 3-pin connector.

- Connect the test lamp to pin 2 and battery negative (B-).


The test lamp should light up.

Did the test lamp light up?

yes

Continue with point 5.


no

See fault diagnosis for the main relay on page 252.


5. Check the ignition coil's power supply



- Turn the ignition switch to the ON position.

- Unplug the ignition coil's 2-pin connector.

- Connect the test lamp to:


The test lamp should light up.

Did the test lamp light up?

yes

Continue with point 6.


no

Repair or replace the lead between pin 1 of the 2-pin connector and crimped connection J4.


6. Check the ignition system



- Disconnect the HT cable from the spark plug in cylinder 1.

- Move the selector lever to position N.

- Fit a test spark plug in the HT cable for cylinder 1.

- Run the starter motor.


Is a spark produced?

yes

Continue with point 7.


no

See fault diagnosis for diagnostic trouble code P0300, ignition system (points 5, 6, 7 and 8).


7. Check the fuel pump circuit



- Remove fuse 32.

- Connect the test lamp to the fuse's input and output contacts.

- Run the starter motor.


The test lamp should light up.

Did the test lamp light up?

yes

Check the fuel pressure, see "Fuel system and Air induction system" .


no

See fault diagnosis for the fuel pump relay on page 256.