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HOMESERVICE MANUALSINFINITI2019Q70 3.7 LUXE, AWDREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM (3.7L) (2 OF 2)ECU DIAGNOSIS INFORMATIONECMDTC INDEX

2019 Infiniti Q70 3.7 Luxe, AWD

DTC Index

2019 Infiniti Q70 3.7 Luxe, AWDSECTION DTC Index

x:Applicable --: Not applicable

DTC* ¹	Items (CONSULT screen terms)	SRT code	Trip	MIL	Permanent DTC group* ³	Reference
CONSULT GST* ²	Items (CONSULT screen terms)	SRT code	Trip	MIL	Permanent DTC group* ³	Reference
C053C	Wheel speed sensor	--	2	x	A	DTC Logic
U0101	CAN COMM CIRCUIT	--	1	x	B	DTC Logic
U0122	VDC MDL	x	2	x	B	DTC Logic
U0146	LOST COMM (CGW)	--	1	x	B	DTC Description
U1001	CAN COMM CIRCUIT	--	2	--	--	DTC Logic
U1003	CAN COMM CIRCUIT	--	2	--	--	DTC Logic
U1024	VVEL CAN COMM CIRCUIT	--	1	x	B	DTC Logic
P0000	NO DTC IS DETECTED. FURTHER TESTING MAY BE REQUIRED.	--	--	Flashing* ⁴	--	--
P0011	INT/V TIM CONT-B1	--	2	x	B	DTC Logic
P0012	A camshaft position B1	x	2	x	A	DTC Logic
P0016	Crankshaft position B1 sensor A	x	2	x	A	DTC Logic
P0018	Crankshaft position B2 sensor A	x	2	x	A	DTC Logic
P0021	INT/V TIM CONT-B2	--	2	x	B	DTC Logic
P0022	INT/V TIM CONT-B2	x	2	x	A	DTC Logic
P0030	HO2S1 HTR (B1)	--	2	x	B	DTC Logic
P0031	A/F SEN1 HTR (B1)	--	2	x	B	DTC Logic
P0032	A/F SEN1 HTR (B1)	--	2	x	B	DTC Logic
P0037	HO2S2 HTR (B1)	--	2	x	B	DTC Logic
P0038	HO2S2 HTR (B1)	--	2	x	B	DTC Logic
P0050	Heated O2 sensor heater B2 sensor 1	--	2	x	B	DTC Logic
P0051	A/F SEN1 HTR (B2)	--	2	x	B	DTC Logic
P0052	A/F SEN1 HTR (B2)	--	2	x	B	DTC Logic
P0053	HO2S1 HTR (B1)	x	2	x	A	DTC Description
P0057	HO2S2 HTR (B2)	--	2	x	B	DTC Logic
P0058	HO2S2 HTR (B2)	--	2	x	B	DTC Logic
P0059	Heated O2 sensor heater B2 sensor 1	x	2	x	A	DTC Description
P0075	INT/V TIM V/CIR-B1	--	2	x	B	DTC Logic
P0081	INT/V TIM V/CIR-B2	--	2	x	B	DTC Logic
P00D2	Heated O2 sensor heater B1 sensor 2	--	2	x	A	DTC Description
P00D4	Heated O2 sensor heater B2 sensor 2	--	2	x	A	DTC Description
P00FE	EVAP system vapor line	x	2	x	A	DTC Description
P0101	MAF SEN/CIRCUIT-B1	--	2	x	B	DTC Logic
P0102	MAF SEN/CIRCUIT-B1	--	1	x	B	DTC Logic
P0103	MAF SEN/CIRCUIT-B1	--	1	x	B	DTC Logic
P010A	ABSL PRES SEN/CIRC	--	2	x	B	DTC Logic
P010B	MAF SEN/CIRCUIT-B2	--	2	x	B	DTC Logic
P010C	MAF SEN/CIRCUIT-B2	--	1	x	B	DTC Logic
P010D	MAF SEN/CIRCUIT-B2	--	1	x	B	DTC Logic
P0111	IAT SENSOR	--	2	x	A	DTC Logic
P0112	IAT SEN/CIRCUIT-B1	--	2	x	B	DTC Logic
P0113	IAT SEN/CIRCUIT-B1	--	2	x	B	DTC Logic
P0116	ECT SEN/CIRC	--	2	x	A	DTC Logic
P0117	ECT SEN/CIRC	--	1	x	B	DTC Logic
P0118	ECT SEN/CIRC	--	1	x	B	DTC Logic
P0122	TP SEN 2/CIRC-B1	--	1	x	B	DTC Logic
P0123	TP SEN 2/CIRC-B1	--	1	x	B	DTC Logic
P0125	ECT SENSOR	--	2	x	B	DTC Logic
P0127	IAT SENSOR-B1	--	2	x	B	DTC Logic
P0128	THERMOSTAT FNCTN	--	2	x	A	DTC Logic
P0130	A/F SENSOR1 (B1)	--	2	x	A	DTC Logic
P0131	A/F SENSOR1 (B1)	--	2	x	B	DTC Logic
P0132	A/F SENSOR1 (B1)	--	2	x	B	DTC Logic
P0136	HO2S2 (B1)	x	2	x	A	DTC Logic
P0137	HO2S2 (B1)	x	2	x	A	DTC Logic
P0138	HO2S2 (B1)	x	2	x	A	DTC Logic
P0139	HO2S2 (B1)	x	2	x	A	DTC Logic
P014C	A/F SENSOR1 (B1)	x	2	x	A	DTC Logic
P014D	A/F SENSOR1 (B1)	x	2	x	A	DTC Logic
P014E	A/F SENSOR1 (B2)	x	2	x	A	DTC Logic
P014F	A/F SENSOR1 (B2)	x	2	x	A	DTC Logic
P0150	A/F SENSOR1 (B2)	--	2	x	A	DTC Logic
P0151	A/F SENSOR1 (B2)	--	2	x	B	DTC Logic
P0152	A/F SENSOR1 (B2)	--	2	x	B	DTC Logic
P0156	HO2S2 (B2)	x	2	x	A	DTC Logic
P0157	HO2S2 (B2)	x	2	x	A	DTC Logic
P0158	HO2S2 (B2)	x	2	x	A	DTC Logic
P0159	HO2S2 (B2)	x	2	x	A	DTC Logic
P015A	A/F SENSOR1 (B1)	x	2	x	A	DTC Logic
P015B	A/F SENSOR1 (B1)	x	2	x	A	DTC Logic
P015C	A/F SENSOR1 (B2)	x	2	x	A	DTC Logic
P015D	A/F SENSOR1 (B2)	x	2	x	A	DTC Logic
P0171	FUEL SYS-LEAN-B1	--	2	x	B	DTC Logic
P0172	FUEL SYS-RICH-B1	--	2	x	B	DTC Logic
P0174	FUEL SYS-LEAN-B2	--	2	x	B	DTC Logic
P0175	FUEL SYS-RICH-B2	--	2	x	B	DTC Logic
P0181	FTT SENSOR	--	2	x	A and B	DTC Logic
P0182	FTT SEN/CIRCUIT	--	2	x	B	DTC Logic
P0183	FTT SEN/CIRCUIT	--	2	x	B	DTC Logic
P0196	EOT SENSOR	--	2	x	A and B	DTC Logic
P0197	EOT SEN/CIRC	--	2	x	B	DTC Logic
P0198	EOT SEN/CIRC	--	2	x	B	DTC Logic
P0222	TP SEN 1/CIRC-B1	--	1	x	B	DTC Logic
P0223	TP SEN 1/CIRC-B1	--	1	x	B	DTC Logic
P0227	TP SEN 2/CIRC-B2	--	1	x	B	DTC Logic
P0228	TP SEN 2/CIRC-B2	--	1	x	B	DTC Logic
P0300	MULTI CYL MISFIRE	--	1 or 2	x	B	DTC Logic
P0301	CYL 1 MISFIRE	--	1 or 2	x	B	DTC Logic
P0302	CYL 2 MISFIRE	--	1 or 2	x	B	DTC Logic
P0303	CYL 3 MISFIRE	--	1 or 2	x	B	DTC Logic
P0304	CYL 4 MISFIRE	--	1 or 2	x	B	DTC Logic
P0305	CYL 5 MISFIRE	--	1 or 2	x	B	DTC Logic
P0306	CYL 6 MISFIRE	--	1 or 2	x	B	DTC Logic
P0315	Crankshaft position	--	2	x	A	DTC Description
P0326	KNOCK SENSOR 1 B1	--	2	x	--	DTC Logic
P0327	KNOCK SEN/CIRC-B1	--	2	--	--	DTC Logic
P0328	KNOCK SEN/CIRC-B1	--	2	--	--	DTC Logic
P0331	KNOCK SENSOR 1 B2	--	2	x	--	DTC Logic
P0332	KNOCK SEN/CIRC-B2	--	2	--	--	DTC Logic
P0333	KNOCK SEN/CIRC-B2	--	2	--	--	DTC Logic
P0335	CKP SEN/CIRCUIT	--	2	x	B	DTC Logic
P0340	CMP SEN/CIRC-B1	--	2	x	B	DTC Logic
P0345	CMP SEN/CIRC-B2	--	2	x	B	DTC Logic
P0420	TW CATALYST SYS-B1	x	2	x	A	DTC Logic
P0430	TW CATALYST SYS-B2	x	2	x	A	DTC Logic
P0441	EVAP PURG FLOW/MON	x	2	x	A	DTC Logic
P0443	PURG VOLUME CONT/V	--	2	x	A	DTC Logic
P0444	PURG VOLUME CONT/V	--	2	x	B	DTC Logic
P0445	PURG VOLUME CONT/V	--	2	x	B	DTC Logic
P0447	VENT CONTROL VALVE	--	2	x	B	DTC Logic
P0448	VENT CONTROL VALVE	--	2	x	B	DTC Logic
P0451	EVAP SYS PRES SEN	--	2	x	A	DTC Logic
P0452	EVAP SYS PRES SEN	--	2	x	B	DTC Logic
P0453	EVAP SYS PRES SEN	--	2	x	B	DTC Logic
P0454	EVAP control system pressure sensor performance	--	2	x	A	DTC Description
P0456	EVAP VERY SML LEAK	x* ⁵	2	x	A	DTC Logic
P0460	FUEL LEV SEN SLOSH	--	2	x	A	DTC Logic
P0461	FUEL LEVEL SENSOR	--	2	x	B	DTC Logic
P0462	FUEL LEVL SEN/CIRC	--	2	x	B	DTC Logic
P0463	FUEL LEVL SEN/CIRC	--	2	x	B	DTC Logic
P0500	VEHICLE SPEED SENSOR A* ⁶	--	2	x	B	DTC Logic
P0506	ISC SYSTEM	--	2	x	B	DTC Logic
P0507	ISC SYSTEM	--	2	x	B	DTC Logic
P050A	COLD START CONTROL	--	2	x	A	DTC Logic
P050B	COLD START CONTROL	--	2	x	A	DTC Logic
P050E	COLD START CONTROL	--	2	x	A	DTC Logic
P0524	ENGINE OIL PRESSURE	--	2	x	B	DTC Logic
P0550	PW ST P SEN/CIRC	--	2	--	--	DTC Logic
P0603	ECM BACK UP/CIRCUIT	--	2	x	B	DTC Logic
P0604	ECM	--	1	x	B	DTC Logic
P0605	ECM	--	1 or 2	x or --	B	DTC Logic
P0606	CONTROL MODULE	--	1	x or --	B	DTC Logic
P0607	ECM	--	1	x	B	DTC Logic
P060A	CONTROL MODULE	--	1	x	B	DTC Logic
P060B	CONTROL MODULE	--	1	x	B	DTC Logic
P062F	CONTROL MODULE	--	1	x	B	DTC Logic
P0643	SENSOR POWER/CIRC	--	1	x	B	DTC Logic
P0705	T/M RANGE SENSOR A	--	2	x	B	DTC Logic
P0710	FLUID TEMP SENSOR A	--	2	x	B	DTC Logic
P0717	INPUT SPEED SENSOR A	--	2	x	B	DTC Logic
P0720	OUTPUT SPEED SENSOR* ⁴	--	2	x	B	DTC Logic
P0729	6GR INCORRECT RATIO	--	2	x	B	DTC Logic
P0730	INCORRECT GR RATIO	--	2	x	B	DTC Logic
P0731	1GR INCORRECT RATIO	--	2	x	B	DTC Logic
P0732	2GR INCORRECT RATIO	--	2	x	B	DTC Logic
P0733	3GR INCORRECT RATIO	--	2	x	B	DTC Logic
P0734	4GR INCORRECT RATIO	--	2	x	B	DTC Logic
P0735	5GR INCORRECT RATIO	--	2	x	B	DTC Logic
P0740	TORQUE CONVERTER	--	2	x	B	DTC Logic
P0744	TORQUE CONVERTER	--	2	x	B	DTC Logic
P0745	PC SOLENOID A	--	2	x	B	DTC Logic
P0750	SHIFT SOLENOID A	--	2	x	B	DTC Logic
P0775	PC SOLENOID B	--	2	x	B	DTC Logic
P0780	SHIFT	--	1	x	B	DTC Logic
P0795	PC SOLENOID C	--	2	x	B	DTC Logic
P0850	P-N POS SW/CIRCUIT	--	2	x	B	DTC Logic
P100A	VVEL SYSTEM-B1	--	2	x	B	DTC Logic
P100B	VVEL SYSTEM-B2	--	2	x	B	DTC Logic
P1087	VVEL SYSTEM-B1	--	1	x	B	DTC Logic
P1088	VVEL SYSTEM-B2	--	1	x	B	DTC Logic
P1089	VVEL POS SEN/CIRC-B1	--	1	x	B	DTC Logic
P1090	VVEL ACTR MOT-B1	--	1	x	B	DTC Logic
P1091	VVEL ACTR MOT PWR	--	1 or 2	x	B	DTC Logic
P1092	VVEL POS SEN/CIRC-B2	--	1	x	B	DTC Logic
P1093	VVEL ACTR MOT-B2	--	1	x	B	DTC Logic
P1148	CLOSED LOOP-B1	--	1	x	A	DTC Logic
P1168	CLOSED LOOP-B2	--	1	x	A	DTC Logic
P1211	TCS C/U FUNCTN	--	2	--	--	DTC Logic
P1212	TCS/CIRC	--	2	--	--	DTC Logic
P1217	ENG OVER TEMP	--	1	x	B	DTC Logic
P1225	CTP LEARNING-B1	--	2	--	--	DTC Logic
P1226	CTP LEARNING-B1	--	2	--	--	DTC Logic
P1233	ETC FNCTN/CIRC-B2	--	1	x	B	DTC Logic
P1234	CTP LEARNING-B2	--	2	--	--	DTC Logic
P1235	CTP LEARNING-B2	--	2	--	--	DTC Logic
P1236	ETC MOT-B2	--	1	x	B	DTC Logic
P1238	ETC ACTR-B2	--	1	x	B	DTC Logic
P1239	TP SENSOR-B2	--	1	x	B	DTC Logic
P1550	BAT CURRENT SENSOR	--	2	--	--	DTC Logic
P1551	BAT CURRENT SENSOR	--	2	--	--	DTC Logic
P1552	BAT CURRENT SENSOR	--	2	--	--	DTC Logic
P1553	BAT CURRENT SENSOR	--	2	--	--	DTC Logic
P1554	BAT CURRENT SENSOR	--	2	--	--	DTC Logic
P1556	BAT TMP SEN/CIRC	--	2	--	--	DTC Logic
P1557	BAT TMP SEN/CIRC	--	2	--	--	DTC Logic
P1564	ASCD SW	--	1	--	--	DTC Logic (with ASCD) DTC Logic (with ICC)
P1568	ICC COMMAND VALUE	--	1	--	--	DTC Logic
P1572	ASCD BRAKE SW	--	1	--	--	DTC Logic (with ASCD) DTC Logic (with ICC)
P1574	ASCD VHL SPD SEN	--	1	--	--	DTC Logic (with ASCD) DTC Logic (with ICC)
P1575	BRAKE SW	--	2	x	A or B	DTC Logic
P1606	VVEL CONTROL MODULE	--	1 or 2	x or --	B	DTC Logic
P1607	VVEL CONTROL MODULE	--	1	x	B	DTC Logic
P1608	VVEL SENSOR POWER/CIRC	--	1	x	B	DTC Logic
P1610	LOCK MODE	--	2	--	--	DTC Logic
P1611	ID DISCARD, IMM-ECM	--	2	--	--	DTC Logic
P1612	CHAIN OF ECM-IMMU	--	2	--	--	DTC Logic
P1614	CHAIN OF IMMU-KEY	--	2	--	--	DTC Logic
P1805	BRAKE SW/CIRCUIT	--	2	--	--	DTC Logic
P1806	BRAKE VACUUM SEN	--	2	x	B	DTC Logic
P2096	POST CAT FUEL TRIM SYS B1	--	2	x	B	DTC Logic
P2097	POST CAT FUEL TRIM SYS B1	--	2	x	B	DTC Logic
P2098	POST CAT FUEL TRIM SYS B2	--	2	x	B	DTC Logic
P2099	POST CAT FUEL TRIM SYS B2	--	2	x	B	DTC Logic
P2100	ETC MOT PWR-B1	--	1	x	B	DTC Logic
P2101	ETC FNCTN/CIRC-B1	--	1	x	B	DTC Logic
P2103	ETC MOT PWR	--	1	x	B	DTC Logic
P2118	ETC MOT-B1	--	1	x	B	DTC Logic
P2119	ETC ACTR-B1	--	1	x	B	DTC Logic
P2122	APP SEN 1/CIRC	--	1	x	B	DTC Logic
P2123	APP SEN 1/CIRC	--	1	x	B	DTC Logic
P2127	APP SEN 2/CIRC	--	1	x	B	DTC Logic
P2128	APP SEN 2/CIRC	--	1	x	B	DTC Logic
P2132	TP SEN 1/CIRC-B2	--	1	x	B	DTC Logic
P2133	TP SEN 1/CIRC-B2	--	1	x	B	DTC Logic
P2135	TP SENSOR-B1	--	1	x	B	DTC Logic
P2138	APP SENSOR	--	1	x	B	DTC Logic
P219A	AIR FUEL RATIO IMBALANCE B1	--	2	x	A	DTC Logic
P219B	AIR FUEL RATIO IMBALANCE B2	--	2	x	A	DTC Logic
P2237	Air fuel ratio (A/F) sensor 1 (bank 1) circuit	--	2	x	A	DTC Description
P2238	Air fuel ratio (A/F) sensor 1 (bank 1) circuit	--	2	x	A	DTC Description
P2239	Air fuel ratio (A/F) sensor 1 (bank 1) circuit	--	2	x	A	DTC Description
P2240	Air fuel ratio (A/F) sensor 1 (bank 2) circuit	--	2	x	A	DTC Description
P2241	Air fuel ratio (A/F) sensor 1 (bank 2) circuit	--	2	x	A	DTC Description
P2242	Air fuel ratio (A/F) sensor 1 (bank 2) circuit	--	2	x	A	DTC Description
P2251	Air fuel ratio (A/F) sensor 1 (bank 1) circuit	--	2	x	A	DTC Description
P2252	Air fuel ratio (A/F) sensor 1 (bank 1) circuit	--	2	x	A	DTC Description
P2253	Air fuel ratio (A/F) sensor 1 (bank 1) circuit	--	2	x	A	DTC Description
P2254	Air fuel ratio (A/F) sensor 1 (bank 2) circuit	--	2	x	A	DTC Description
P2255	Air fuel ratio (A/F) sensor 1 (bank 2) circuit	--	2	x	A	DTC Description
P2256	Air fuel ratio (A/F) sensor 1 (bank 2) circuit	--	2	x	A	DTC Description
P2270	Heated oxygen sensor 2 (bank 1) circuit high voltage	x	2	x	A	DTC Description
P2271	Heated oxygen sensor 2 (bank 1) circuit low voltage	x	2	x	A	DTC Description
P2272	Heated oxygen sensor 2 (bank 2) circuit high voltage	x	2	x	A	DTC Description
P2273	Heated oxygen sensor 2 (bank 2) circuit low voltage	x	2	x	A	DTC Description
P2297	Fault to indicate Dynamics of the sensor signal too small	--	2	x	A	DTC Logic
P2298	O2 SENSOR 1 B2l	--	2	x	A	DTC Logic
P2610	ECM/PCM INTERNAL ENG OFF TIMER	--	2	x	A and B	DTC Logic
P2A01	Heated oxygen sensor 2 (bank 1) circuit high voltage	x	2	x	A	DTC Description
P2A04	Heated oxygen sensor 2 (bank 2) circuit high voltage	x	2	x	A	DTC Description

*1: 1st trip DTC No. is the same as DTC No.

*2: This number is prescribed by SAE J2012/ISO 15031-6.

*3: Refer to Diagnosis Description , "PERMANENT DIAGNOSTIC TROUBLE CODE (PERMANENT DTC)".

*4: When the fail-safe operations for both self-diagnoses occur, the MIL illuminates.

*5: SRT code will not be set if the self-diagnostic result is NG.

*6: When the ECM is in the mode that displays SRT status, MIL may blink. For the details, refer to "How to Display SRT Status".

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.