Table 2, Trouble Code Table (TC 38 02 Sensor Circuit Voltage Low) Opel Calibra I

Fuel Injection Systems

Tabel 2, Trouble Codes

Code	Information Sensor	Remedy in
F0:DATA LIST
	Cause of Fault	No.	Trouble Code Storage when ...
	Remarks
38	O2 SENSOR	36, 37, 38, 39,	· Oxygen sensor voltage less than 90 mV for longer
	CIRCUIT	40	than 2.5 s
	VOLTAGE LOW		(short circuit to ground)
			The trouble code is stored if
			(conditions must be fulfilled consecutively):
			1.) Coolant temperature higher than 70 °C/158 °F
			2.) Condition 1.) fulfilled for 3 min
			3.) Load signal greater than 1.5 ms
			4.) After conditions 1.) to 3.) are fulfilled, waiting
			period of 5 s elapsed
			5.) Trouble code 73 or 74 not recognized
			Replacement value:
			The control unit takes a replacement value of
			450 mV.
			The oxygen sensor control is switched off.

More articles — Engine and Engine Aggregates