DTC 54-1 (bank angle sensor low voltage)

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▷ Содержание

⇐ ПредыдущаяСтр 14 из 38Следующая ⇒

Recheck DTC

Erase the DTC’s (page 4-5).

Turn the ignition switch ON and engine stop switch " ".

Check the bank angle sensor with the HDS pocket tester.

Is the DTC 54-1 indicated?

YES – GO TO STEP 2.

NO – Intermittent failure

Bank Angle Sensor Input Voltage Inspection

Turn the ignition switch OFF.

Disconnect the bank angle sensor 2P connector [1] (page 4-48).

Turn the ignition switch ON and engine stop switch " ".

Measure the voltage between the bank angle sensor 2P connector of the wire side and ground.

Connection: Black/blue (+) – Ground (–) Standard: Battery voltage

Is there battery voltage?

YES – GO TO STEP 3.

NO – Open circuit in Black/blue wire

Bank Angle Sensor Signal Line Short Circuit Inspection

Turn the ignition switch OFF.

Disconnect the ECM 33P (Black) connector (page 4-50).

Check for continuity between the bank angle sensor 2P connector [1] of the wire side and ground.

Connection: Red/blue – Ground

Is there continuity?

YES – Short circuit in Red/blue wire

NO – GO TO STEP 4.

[1]

Bl/Bu

[1]

R/Bu

Bank Angle Sensor Signal Line Open Circuit Inspection

Turn the ignition switch OFF.

[2]

R/Bu

4-27

PGM-FI SYSTEM

Bank Angle Sensor Inspection

Replace the bank angle sensor with a known good one (page 4-48).

Connect the bank angle sensor 2P connector and ECM 33P (Black) connector.

Erase the DTC’s (page 4-5).

Turn the ignition switch ON and engine stop switch " ".

Check the bank angle sensor with the HDS pocket tester.

Is DTC 54-2 indicated?

YES – Replace the ECM with a known good oneand recheck.

NO – Faulty original the bank angle sensor.

DTC 54-2 (BANK ANGLE SENSOR HIGH VOLTAGE)

Recheck DTC

Erase the DTC’s (page 4-5).

Turn the ignition switch ON and engine stop switch " ".

Check the bank angle sensor with the HDS pocket tester.

Bank Angle Sensor Signal Line Open Circuit Inspection

4-28

PGM-FI SYSTEM

MIL TROUBLESHOOTING

MIL 1 BLINK (MAP SENSOR)

ECM

Probable cause

• Open circuit in Yellow/red wire between the sensor unit and ECM

• Open or short circuit in Light green/black wire between the sensor unit and ECM

• Open circuit in Green/white wire between the sensor unit and ECM

• Faulty sensor unit

• Faulty ECM

Sensor Unit Power Line Inspection

Check the sensor unit power line inspection (page 4-8).

Is the voltage within 4.75 – 5.25 V?

YES – Faulty sensor unit (MAP sensor)

NO – GO TO STEP 3.

4-29

PGM-FI SYSTEM

MAP Sensor Output Line Short Circuit Inspection

Turn the ignition switch OFF.

Disconnect the ECM 33P (Black) connector.

Check for continuity between the sensor unit 5P connector [1] terminal of the wire side and ground.

Connection: Light green/black – Ground

Is there continuity?

YES – Short circuit in Light green/black wire

NO – GO TO STEP 4.

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