DTC Confirmation Procedure

If DTC P0087 is displayed with DTC P0090 or P1197, first perform the confirmation procedure (trouble diagnosis) for DTC P0090 or P1197.

Is DTC P0090 or P1197 detected?

YES 

Perform diagnosis of applicable.

• DTC P0090: Refer to DTC DESCRIPTION .
• DTC P1197: Refer to DTC DESCRIPTION .

NO 

GO TO STEP 2  .

1. Turn ignition switch ON.
2. Visually check the piping between low pressure fuel pump and fuel injectors for fuel leakage.
3. Start the engine.
4. Visually check the piping between low pressure fuel pump and fuel injectors for fuel leakage.

Is inspection result normal?

YES 

GO TO STEP 3  .

NO 

Repair or replace error-detected parts.

If DTC CONFIRMATION PROCEDURE has been previously conducted, always perform the following procedure before conducting the next test.

1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.

TESTING CONDITION: 

• Before performing the following procedure, confirm that battery voltage is 11 V or more at idle. 
• Before performing the following procedure, check that the fuel tank is 1/8 full of fuel. 

GO TO STEP 4  .

With CONSULT 

1. Turn ignition switch ON.
2. On CONSULT screen, select "ENGINE">>"Data Monitor">>"COOLAN TEMP/S".
3. Check the following condition;

   COOLAN TEMP/S

   - 12 - 40°C (10.4 - 104°F)

With GST 

Follow the procedure "With CONSULT" above.

Is the condition satisfied?

YES 

GO TO STEP 5  .

NO 

1. Satisfy the condition.
2. Retry from step 1.

1. Start the engine and let it idle for 10 seconds.
2. Check 1st trip DTC.

Is DTC P0087 detected?

YES 

Proceed to DIAGNOSIS PROCEDURE .

NO 

GO TO STEP 6  .

With CONSULT 

1. On CONSULT screen, select "ENGINE">>"Data Monitor">>"COOLAN TEMP/S".
2. Maintain the following condition for 10 seconds or more at idle.

   COOLAN TEMP/S

   70°C (158°F) or more

3. Check 1st trip DTC.

With GST 

Follow the procedure "With CONSULT" above.

Is DTC P0087 detected?

YES 

Proceed to DIAGNOSIS PROCEDURE .

NO-1 

To check malfunction symptom before repair: Refer to INTERMITTENT INCIDENT .

NO-2 

Confirmation after repair: INSPECTION END