16 · Diagnostics

K52 Code failure warning light on

Make: Alfa Romeo
Model: 156 Factory Service Manual
Year: 1997–2002
Section: Instruments › K52 Code failure warning light on

‹ Prev K50 E.i. failure warning light on (1.9 JTD/2.4 JTD)Next › K53 Ie failure warning light off (initial test not run) (1.6 TS/1.8 TS/2.0 TS/2.5 V6)

Fault diagnosisK52 Code failure warning light on

K52 Code failure warning light on

During starting, the CODE warning light.comes on and remains on for more than 0.7 seconds. (after carrying out the initial control unit test, the warning light should go out, ...)

Step	Test procedure	Result	Action
0	PRELIMINARY CHECKS Check the operation of the i.e. failure warning light	OK	Move onto step 1
0		The i.e. failure warning light also comes on and remains on	Move onto step (see K56)
1	CHECK WITH DIAGNOSTIC EQUIPMENT Connect the diagnostic equipment (Examiner or other instruments) to the diagnostic socket Check: that there are no faults in the CODE control unit	OK	Move onto step 2
		An error is detected in the control unit	Continue according to the instructions for the diagnostic equipment End of diagnosis
		Lack of dialogue with the control unit	Restore the connection between the CODE control unit and the diagnostic connector (Wiring diagram E7010 CODE ). End of diagnosis
2	CHECK CORRECT OPERATION Check that the fault is no longer present	OK	End of diagnosis
2		Fault persists	Incorrect selection of diagnostic procedure

‹ Prev K50 E.i. failure warning light on (1.9 JTD/2.4 JTD)Next › K53 Ie failure warning light off (initial test not run) (1.6 TS/1.8 TS/2.0 TS/2.5 V6)

Parts & tools for this job For 1997 Alfa Romeo 156

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