Component Inspection

INSPECTION

1. INSPECT INTAKE AIR FLOW METER SUB-ASSEMBLY




a. Check the operation.
1. Apply battery voltage across terminals 1 (+B) and 2 (E2G).
2. Using a voltmeter, connect the positive (+) tester prove to terminal 3 (VG) and the negative (-) tester prove to terminal 2 (E2G).
3. Blow air into the mass air flow meter, then check that the voltage fluctuates.

If the voltage does not fluctuate, replace the mass air flow meter.







b. Check the resistance.
1. Using an ohmmeter, measure the resistance between the terminals.

If the result is not as specified, replace the mass air flow meter.

2. INSPECT CAMSHAFT TIMING OIL CONTROL VALVE ASSEMBLY







a. Check the resistance.
1. Using an ohmmeter, measure the resistance between the terminals.

If the result is not as specified, replace the camshaft timing oil control valve.




b. Check the operation.
1. Apply battery voltage across the terminals, and check that the spool valve operates.

NOTE: Check that the spool valve is not stuck.

HINT: The spool valve may not return if foreign objects are caught in it. This may cause subtle pressure leaks to the advance side, and a DTC may be set.

3. INSPECT THROTTLE BODY ASSEMBLY







a. Check the resistance.
1. Using an ohmmeter, measure the resistance between the terminals.

If the result is not as specified, replace the throttle body.

4. INSPECT ACCELERATOR PEDAL ASSEMBLY







a. Check the resistance.
1. Using an ohmmeter, measure the resistance between the terminals.

If the result is not as specified, replace the accelerator pedal.

5. INSPECT E.F.I. ENGINE COOLANT TEMPERATURE SENSOR







a. Check the resistance.
1. Using an ohmmeter, measure the resistance between the terminals.

NOTE: If checking the engine coolant temperature sensor in water, be careful not to allow water to intrude into the terminals. After checking, wipe up water on the engine coolant temperature sensor.

If the result is not as specified, replace the engine coolant temperature sensor.

6. INSPECT KNOCK SENSOR







a. Check the resistance.
1. Using an ohmmeter, measure the resistance between the terminals.

If the result is not as specified, replace the knock sensor.

7. INSPECT E.F.I. CIRCUIT OPENING RELAY ASSEMBLY







a. Inspect the resistance.
1. Using an ohmmeter, measure the resistance between the terminals.

If the result is not as specified, replace the E.F.I. circuit opening relay assembly.

8. INSPECT E.F.I ECU RELAY







a. Check the resistance.
1. Using an ohmmeter, measure the resistance between the terminals.

If the result is not as specified, replace the E.F.I ECU relay.