MPI – Troubleshooting
13-25
6-2 RESISTANCE AND CONTINUITY BETWEEN HARNESS SIDE CONNECTORS AND
TERMINALS
Engine-ECU Harness Side Connector Terminal Arrangement
Terminal No. Inspection item Normal condition (Check condition)
1 – 12 No.1 injector 2 – 3 Ω (At 20_C)
14 – 12 No.2 injector
2 – 12 No.3 injector
15 – 12 No.4 injector
3 – 12 Fuel pressure control valve 28 – 36 Ω (At 20_C)
4 – 12 Stepper motor coil (A1) 28 – 33 Ω (At 20_C)
17 – 12 Stepper motor coil (A2)
5 – 12 Stepper motor coil (B1)
18 – 12 Stepper motor coil (B2)
6 – 12 Secondary air control solenoid valve 28 – 36 Ω (At 20_C)
11 – 12 Wastegate solenoid valve 62 – 74 Ω (At 20_C)
13 – Body earth Engine-ECU earth Continuity established (0 Ω)
26 – Body earth
60 – 12 Oxygen sensor heater (EVOLUTION-V
only)
11 – 18 Ω (at 20_C)
72 – 92 Intake air temperature sensor 5.3 – 6.7 kΩ (When intake air temperature is 0_C)
2.3 – 3.0 kΩ (When intake air temperature is 20_C)
1.0 – 1.5 kΩ (When intake air temperature is 40_C)
0.30 – 0.42 kΩ (When intake air temperature is 80_C)
74 – 77 High temperature sensor 3 Ω or less
83 – 92 Engine coolant temperature sensor 5.1 – 6.5 kΩ (When coolant temperature is 0_C)
2.1 – 2.7 kΩ (When coolant temperature is 20_C)
0.9 – 1.3 kΩ (When coolant temperature is 40_C)
0.26 – 0.36 kΩ (When coolant temperature is 80_C)
87 – 92 Idle position switch Continuity established (when throttle valve is at idle
position)
No continuity (when throttle valve is slightly open)
91 – Body earth – Continuity established
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