Inspect Mass Air Flow Meter

(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 and 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. Standard

Tester Connection

Specified Condition

4 (THA) - 5 (E2)

12.5 to 16.9kQ at -20°C (-4°F)

4 (THA) - 5 (E2)

2.19 to 2.67kQ at 20°C (68°F)

4 (THA) - 5 (E2)

0.50 to 0.68kQ at 60°C (140°F)

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

DTC

P0120

Throttle / Pedal Position Sensor / Switch "A" Circuit

DTC

P0122

Throttle / Pedal Position Sensor / Switch "A" Circuit Low Input

DTC

P0123

Throttle / Pedal Position Sensor / Switch "A" Circuit High Input

DTC

P0220

Throttle / Pedal Position Sensor / Switch "B" Circuit

DTC

P0222

Throttle / Pedal Position Sensor / Switch "B" Circuit Low Input

DTC

P0223

Throttle / Pedal Position Sensor / Switch "B" Circuit High Input

DTC

P2135

Throttle / Pedal Position Sensor / Switch "A" / "B" Voltage Correlation

HINT:

These DTCs relate to the Throttle Position (TP) sensor.

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