ECM retaining bolts (arrowed)

Removal

Testing

Connector an ohmmeter to the airflow meter terminals as shown

Litre 4A-FE engine (arrowed)

B Intake air temperature sensor

The airflow meter is located in the air filter outlet ducting

Enginemanagement ECM

73 Have the engine management ECM self-diagnosis system interrogated for any stored fault codes relating to the ECM (see Sec-tion 11).

74 Disconnect the battery negative lead (see Chapter 5A). Note: Disconnecting the battery will erase any fault codes stored in the ECM. It is recommended that the fault code memory of the module is interrogated using special test equipment prior to battery disconnection.

Entrust this task to a Toyota dealer or suitably-equipped specialist.

75 Remove the complete centre console as described in Chapter 11.

76 Undo the three bolts and remove the ECM

(see illustration).

4A•12 Fuel and exhaust systems

12.77 Release the locking catch (arrowed)	12.82 Camshaft position sensor retaining
and disconnect the ECM wiring plugs	bolt (arrowed)
77 Release the catch and disconnect the	84 Tighten the retaining bolt to the specified
ECM wiring plugs (see illustration).	torque, and reconnect the wiring plug.

Дата добавления: 2014-12-23