DIAGNOSIS CODE CHART

ENGINE-ECU

note

Diagnosis codes regarding the A/C pressure sensor will be set in the engine-ECU.
For details, refer to GROUP 13A <4G6>, 13B <4D5> and 13C <4N1>, Diagnosis Code Inspection Procedure.

Code No.	Diagnosis item	Reference page
P0537	Air thermo sensor circuit low input	4G6	Refer to GROUP 13A - Code No. P0537: Air thermo sensor circuit low input <Cooler> or <A/C>.
		4D5	Refer to GROUP 13B - Code No. P0537: Air thermo sensor circuit low input .
		4N1	Refer to GROUP 13C - Code No. P0537: Air thermo sensor circuit low input .
P0538	Air thermo sensor circuit high input	4G6	Refer to GROUP 13A - Code No. P0538: Fin thermo sensor circuit high Input <Cooler> or <A/C>.
		4D5	Refer to GROUP 13B - Code No. P0538: Fin thermo sensor circuit high Input .
		4N1	Refer to GROUP 13C - Code No. P0538: Fin thermo sensor circuit high Input .