DTC    P0548    Exhaust Gas Temperature Sensor Circuit Low (Bank 2 Sensor 1)


DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

READ VALUE USING INTELLIGENT TESTER (EXHAUST TEMPERATURE B1S2)

READ VALUE USING INTELLIGENT TESTER (CHECK FOR OPEN IN WIRE HARNESS)

CHECK HARNESS AND CONNECTOR (EXHAUST GAS TEMPERATURE SENSOR B1S2 - ECM)

READ VALUE USING INTELLIGENT TESTER (CHECK FOR SHORT IN WIRE HARNESS)

CHECK HARNESS AND CONNECTOR (EXHAUST GAS TEMPERATURE SENSOR B1S2 - ECM)

REPLACE ECM

CONFIRM GOOD CONNECTION AT SENSOR. IF OK, REPLACE EXHAUST GAS TEMPERATURE SENSOR B1S2

REPAIR OR REPLACE HARNESS OR CONNECTOR

CONFIRM GOOD CONNECTION TO ECM. IF OK, REPLACE ECM

REPLACE EXHAUST GAS TEMPERATURE SENSOR B1S2

CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED