BASIC INSPECTION: Special Repair Requirement

1. Check service records for any recent repairs that may indicate a related malfunction, or a current need for scheduled maintenance.
2. Open engine hood and check the following:
   • Harness connectors for improper connections
   • Wiring harness for improper connections, pinches and cut
   • Vacuum hoses for splits, kinks and improper connections
   • Hoses and ducts for leaks
   • Air cleaner clogging
   • Gasket
3. Confirm that electrical or mechanical loads are not applied.
   • Headlamp switch is OFF.
   • Air conditioner switch is OFF.
   • Rear window defogger switch is OFF.
   • Steering wheel is in the straight-ahead position, etc.
     Fig 1: Inspecting Vacuum Hoses And Improper Connections

     Courtesy of NISSAN NORTH AMERICA, INC.
4. Start engine and warm it up until engine coolant temperature indicator points the middle of gauge.

   Ensure engine stays below 1, 000 RPM.

   Fig 2: Identifying Engine Coolant Temperature

   Courtesy of NISSAN NORTH AMERICA, INC.
5. Run engine at about 2, 000 RPM for about 2 minutes under no load.
6. Make sure that no DTC is displayed with CONSULT-III or GST.

Is any DTC detected? 

YES: GO TO 2.

NO: GO TO  3.

Fig 3: Identifying Engine RPM

Courtesy of NISSAN NORTH AMERICA, INC.

Repair or replace components as necessary according to corresponding Diagnostic Procedure.

: GO TO 3.

1. Run engine at about 2, 000 RPM for about 2 minutes under no load.
2. Rev engine (2, 000 to 3, 000 RPM) two or three times under no load, then run engine at idle speed for about 1 minute.
3. Check idle speed.

   Refer to "IDLE SPEED: SPECIAL REPAIR REQUIREMENT ".

   CVT: 600 ± 50 RPM (in P or N position) 

   M/T: 600 ± 50 RPM (in Neutral position) 

Is the inspection result normal? 

YES: GO TO  10.

NO: GO TO 4.

Fig 4: Checking Target Idle Speed

Courtesy of NISSAN NORTH AMERICA, INC.

1. Stop engine.
2. Perform "ACCELERATOR PEDAL RELEASED POSITION LEARNING: SPECIAL REPAIR REQUIREMENT ".

   : GO TO 5.

Perform "THROTTLE VALVE CLOSED POSITION LEARNING: SPECIAL REPAIR REQUIREMENT ".

: GO TO 6.

Perform "IDLE AIR VOLUME LEARNING: SPECIAL REPAIR REQUIREMENT ".

Is Idle Air Volume Learning carried out successfully? 

YES: GO TO 7.

NO: Follow the instruction of Idle Air Volume Learning. Then GO TO  4.

1. Start engine and warm it up to normal operating temperature.
2. Check idle speed.

   Refer to "IDLE SPEED: SPECIAL REPAIR REQUIREMENT ".

   CVT: 600 ± 50 RPM (in P or N position) 

   M/T: 600 ± 50 RPM (in Neutral position) 

Is the inspection result normal? 

YES: GO TO  10.

NO: GO TO 8.

Check the Following.

• Check camshaft position sensor (PHASE) and circuit. Refer to "DIAGNOSIS PROCEDURE ".
• Check crankshaft position sensor (POS) and circuit. Refer to "DIAGNOSIS PROCEDURE ".

Is the inspection result normal? 

YES: GO TO  9.

NO:

1. Repair or replace.
2. GO TO  4.

1. Substitute another known-good ECM to check ECM function. (ECM may be the cause of an incident, but this is a rare case.)
2. Perform initialization of NVIS (NATS) system and registration of all NVIS (NATS) ignition key IDs. Refer to "BCM: SPECIAL REPAIR REQUIREMENT ".

   : GO TO  4.

1. Run engine at idle.
2. Check ignition timing with a timing light.

   Refer to "IGNITION TIMING: SPECIAL REPAIR REQUIREMENT ".

   CVT: 12 ± 5° BTDC (in P or N position) 

   M/T: 12 ± 5° BTDC (in Neutral position) 

Is the inspection result normal? 

YES: GO TO  19.

NO: GO TO 11.

Fig 5: Checking Ignition Timing

Courtesy of NISSAN NORTH AMERICA, INC.

1. Stop engine.
2. Perform "ACCELERATOR PEDAL RELEASED POSITION LEARNING: SPECIAL REPAIR REQUIREMENT ".

   : GO TO 12.

Perform "THROTTLE VALVE CLOSED POSITION LEARNING: SPECIAL REPAIR REQUIREMENT ".

: GO TO 13.

Perform "IDLE AIR VOLUME LEARNING: SPECIAL REPAIR REQUIREMENT ".

Is Idle Air Volume Learning carried out successfully? 

YES: GO TO 14.

NO: Follow the instruction of Idle Air Volume Learning. Then GO TO  4.

1. Start engine and warm it up to normal operating temperature.
2. Check idle speed.

   Refer to "IDLE SPEED: SPECIAL REPAIR REQUIREMENT ".

   CVT: 600 ± 50 RPM (in P or N position) 

   M/T: 600 ± 50 RPM (in Neutral position) 

Is the inspection result normal? 

YES: GO TO 15.

NO: GO TO  17.

1. Run engine at idle.
2. Check ignition timing with a timing light.

   Refer to "IGNITION TIMING: SPECIAL REPAIR REQUIREMENT ".

   CVT: 12 ± 5° BTDC (in P or N position) 

   M/T: 12 ± 5° BTDC (in Neutral position) 

Is the inspection result normal? 

YES: GO TO  19.

NO: GO TO 16.

Fig 6: Checking Ignition Timing

Courtesy of NISSAN NORTH AMERICA, INC.

Check timing chain installation. Refer to "INSTALLATION ".

Is the inspection result normal? 

YES: GO TO 17.

NO:

1. Repair the timing chain installation.
2. GO TO  4.

Check the following.

• Check camshaft position sensor (PHASE) and circuit. Refer to "DIAGNOSIS PROCEDURE ".
• Check crankshaft position sensor (POS) and circuit. Refer to "DIAGNOSIS PROCEDURE ".

Is the inspection result normal? 

YES: GO TO  18.

NO:

1. Repair or replace.
2. GO TO  4.

1. Substitute another known-good ECM to check ECM function. (ECM may be the cause of an incident, but this is a rare case.)
2. Perform initialization of NVIS (NATS) system and registration of all NVIS (NATS) ignition key IDs. Refer to "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT: SPECIAL REPAIR REQUIREMENT ".

   : GO TO  4.

Did you replace ECM, referring this Basic Inspection procedure?

Yes or No 

Yes: Go to "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT: SPECIAL REPAIR REQUIREMENT ".

No: INSPECTION END