DTC P2227 Barometric Pressure Circuit Range/Performance (4JJ3 without DPD)

1. General circuit diagram

2. ECM outline

3. ECM pin layout

31 pin (A connector)

PIN No.	Pin function
1	ECM main relay control
2	ECM main relay control
3	-
4	Glow relay control
5	A/C compressor relay control
6	Starter cut relay control
7	-
8	Stoplight switch 2 signal
9	Cruise control main switch signal
10	Clutch switch 1 signal
11	-
12	-
13	-
14	Neutral switch signal (M/T)
	Inhibitor switch signal (A/T)
15	-
16	-
17	-
18	MIL control (Euro4)
	Check engine warning light control (Except Euro4)
19	Stoplight switch 1 signal
20	-
21	Thermo relay signal (manual A/C)
	Refrigerant pressure switch signal (auto A/C)
22	Vehicle speed signal
23	Clutch switch 2 signal
24	Accelerator pedal position sensor 1 low reference
25	Accelerator pedal position sensor 2 low reference
26	ECM case ground
27	Ignition voltage (start)
28	-
29	-
30	Accelerator pedal position sensor 1, 5 volts reference
31	Accelerator pedal position sensor 2, 5 volts reference

35 pin (B connector)

PIN No.	Pin function
1	Ignition voltage (ON)
2	Battery voltage
3	Battery voltage
4	Battery voltage
5	Battery voltage
6	Battery voltage
7	-
8	Fuel filter switch signal
9	-
10	Ground
11	-
12	-
13	-
14	ISO CAN low 1 signal
15	-
16	ISO CAN high 1 signal
17	IAT sensor, Cruise control switch, Clutch pedal stroke sensor and Fuel temperature sensor low reference
18	-
19	-
20	-
21	-
22	-
23	-
24	MAF sensor low reference
25	-
26	-
27	ECM signal ground
28	Clutch pedal stroke sensor 5 volts reference
29	-
30	-
31	-
32	-
33	IAT sensor signal
34	-
35	ECM signal ground

33 pin (C connector)

PIN No.	Pin function
1	ECM power ground
2	ECM power ground
3	ECM power ground
4	ECM power ground
5	ECM power ground
6	ECM power ground
7	ISO CAN low 2 signal
8	-
9	ISO CAN high 2 signal
10	-
11	-
12	-
13	-
14	-
15	-
16	-
17	Accelerator pedal position sensor 1 shield ground
18	Accelerator pedal position sensor 2 shield ground
19	MAF sensor and Clutch pedal stroke sensor shield ground
20	-
21	-
22	Accelerator pedal position sensor 2 signal
23	-
24	-
25	-
26	-
27	Accelerator pedal position sensor 1 signal
28	MAF sensor signal
29	Clutch pedal stroke sensor signal
30	Cruise control switch signal
31	Fuel temperature sensor signal
32	-
33	-

32 pin (D connector)

PIN No.	Pin function
1	-
2	-
3	-
4	-
5	-
6	-
7	-
8	-
9	-
10	-
11	-
12	Swirl control solenoid valve control
13	-
14	-
15	-
16	-
17	-
18	CMP sensor signal
19	-
20	-
21	-
22	-
23	-
24	-
25	-
26	-
27	-
28	CKP sensor signal
29	-
30	-
31	Engine coolant temperature sensor signal
32	-

35 pin (E connector)

PIN No.	Pin function
1	Intake throttle motor 1
2	Intake throttle motor 2
3	FRP reduction valve low side
4	FRP reduction valve high side
5	PCV low side
6	PCV high side
7	Cylinder No. 1 injector solenoid control
8	-
9	-
10	-
11	-
12	-
13	-
14	-
15	-
16	CMP sensor shield ground
17	FRP sensor shield ground
18	CKP sensor shield ground
19	-
20	-
21	-
22	-
23	-
24	-
25	Intake throttle position sensor signal
26	CKP sensor low reference
27	CMP sensor, FRP sensor and boost pressure sensor low reference
28	Boost pressure sensor signal
29	FRP sensor signal
30	-
31	-
32	-
33	-
34	-
35	-

34 pin (F connector)

PIN No.	Pin function
1	Cylinder No. 3 injector solenoid control
2	Cylinder No. 4 injector solenoid control
3	Cylinder No. 2 injector solenoid control
4	Cylinder No. 1 injector charge voltage
5	Cylinder No. 4 injector charge voltage
6	Cylinder No. 3 injector charge voltage
7	Cylinder No. 2 injector charge voltage
8	-
9	Boost pressure sensor shield ground
10	-
11	-
12	-
13	-
14	-
15	-
16	-
17	-
18	Intake throttle position sensor and engine coolant temperature sensor low reference
19	-
20	-
21	-
22	-
23	-
24	-
25	-
26	-
27	-
28	-
29	Intake throttle position sensor 5 volts reference
30	CMP sensor, FRP sensor and boost pressure sensor 5 volts reference
31	CKP sensor 5 volts reference
32	-
33	-
34	-