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DTC P0134-00; A/F Sensor Circuit No Activity Detected: Notes

NOTE:

To determine the malfunctioning part, proceed with the diagnostics from "Function Inspection Using M-MDS".

Details On DTCs

DETECTION CONDITION AND POSSIBLE CAUSE

DESCRIPTION	A/F sensor circuit no activity detected
DETECTION CONDITION	Determination conditions	The condition in which the A/F sensor element impedance is the specified value or more continues for 35 s.
	Preconditions	Battery voltage: 11-18 V^1 The following DTCs are not detected: A/F sensor heater: P0031:00, P0032:00 A/F sensor: P0131:00, P0132:00 ^1 : Value can be verified by displaying PIDs using M-MDS
	Malfunction determination period	35 s period
	Drive cycle	2
	Self test type	CMDTC self test
	Sensor used	A/F sensor
FAIL-SAFE FUNCTION	Fixes duty value of A/F sensor heater Stops fuel feedback control of A/F sensor
VEHICLE STATUS WHEN DTCs ARE OUTPUT	Illuminates check engine light.
POSSIBLE CAUSE	A/F sensor malfunction A/F sensor connector or terminals malfunction A/F sensor related wiring harness malfunction A/F sensor loose A/F sensor deterioration PCM connector or terminals malfunction PCM malfunction