DIESEL CONTROL SYSTEM
▶ Repair short to ground in Lambda sensor ground circuit and go to "Verification of Vehicle Repair".
▶ Repair open in Lambda sensor ground circuit and go to "Verification of Vehicle Repair".
Lambda sensor Visual Inspection
IG KEY "OFF", ENGINE "OFF".
Disconnect Lambda sensor connector.
Perform visual inspection for each checking point as follows.
Check corrosion inside of Lambda sensor terminal.
Check damaged coverring and open in component wiring.
Check connecting torque(poor connection) of Lambda sensor component.
Disconnect Lambda sensor and check deformation, clogging, melting of Lambda detecting prove.
Specification : Everyting OK
Is any problem of Lambda sensor detected?
▶ Replace Lambda sensor and go to "Verification of Vehicle Repair".
▶ Refer to "NOTE" as follows.
In diesel engine, ultra lean combustion generates at normal operating condition. Therefore, Lambda2 sensor sig-
VERIFICATION OF VEHICLE REPAIR
Refer to DTC P2238.