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Home >> Infiniti >> 1996 >> G20 Base, Automatic, 1RL4F03A >> Repair and Diagnosis >> Engine Performance >> Engine Controls - Pin Voltage Charts 2.0L >> Pin Voltage Chart

Pin Voltage Chart

ECM TERMINAL IDENTIFICATION & WIRE COLORS

WireColor Terminal Number Function Description Voltage Value (DC Volts), Unless Otherwise Specified
White 1 Ignition Signal (1) KOER - .2-.3V At Idle
(1) KOER - .5 At 2000 RPM
Yellow/Red 2 Ignition Signal (1) KOER - 12.0V At Idle
Blue/Black 3 Tachometer (1) KOER - About .9V At Idle
Green 4 ECCS Relay Turn Ignition Off - 0-1.0V For First 2 Seconds, 12.0V After First 2 Seconds
Blue/White 7 A/T Check Signal (1) KOER - 1.0-8.0V At Idle
Black/ Yellow 8 Fuel Pump Relay (1) KOEO - .7-.9V For First 5 Seconds, 11.0-14.0V After First 5 Seconds
Lt. Green /Red 9 Triple Pressure Switch (1) KOER - 5.0V
Black 10 ECCS Ground At Idle - Zero Volts
Blue 13 Radiator Fan (High Speed) (1) KOER, Cool Engine - 11.0-14.0V
Black/Blue 14 Radiator Fan (High Speed) (1) KOER, Cool Engine - 11.0-14.0V
Yellow/Blue 15 A/C Relay A/C Switch Off - 11.0-14.0V
A/C Switch On - .8-.11V
Blue Orange 18 MIL (1) KOER - 11.0-14.0V
Black 19 ECCS Ground At Idle - Zero Volts
Purple 20 Start Signal (1) KOEC - 11.0-14.0V
Lt. Green /Black 21 A/C Switch (1) KOER, A/C On - 0V
(1) KOER, A/C Off, 11.0-14.0
Brown/ White 22 Inhibitor Switch (A/T) (1) KOEO, In Park - 0V
(1) KOEO, Except Park - 11.0-14.0V
Brown/ White 22 Neutral Switch (M/T) (1) KOEO - In Neutral - 0V
(1) KOEO, Except Neutral - 11.0-14.0V
White 23 Throttle Position Sensor (1) KOEO - Pedal Released - .45-.55V
(1) KOEO - Pedal Released - Approximately 4.0V
White/Red 24 A/T Signal No. 1 (1) KOER, 6.0-8.0V
Green/ Yellow 25 Power Steering Pressure Switch (1) KOER - Wheels Turned - 0V
KOER, Wheels Straight - About 5V
Yellow/ Green 26 Vehicle Speed Sensor Front Wheels Rotating - About 5V
White/Blue 29 A/T Signal No. 2 (1) KOER, 6.0-8.0V
White/ Black 30 A/T Signal No. 3 (1) KOER, 0V
Blue/ Yellow 33 Throttle Position Sensor (1) KOEO - Pedal Released - About .4V
KOEO - Pedal Released - Approximately 4.0V
Black/Red 38 Ignition Switch Ignition Switch Off - 0V
Ignition Sw. On - 11.0-14.0V
Black 39 ECCS Ground At Idle - Zero Volts
Yellow 40 CMP Sensor (1) KOER - .2-.5V
Blue 41 CMP Sensor (1) KOER - 2-3V
Green/ Yellow 43 Power Steering Pressure Switch (1) KOER, Wheels Turned 0V
KOER, Wheels Straight 7.0-10.0
Lt. Green/ 44 A/C Switch (1) KOER, A/C On - 0V
Orange 46 Front Oxygen Sensor (1) KOER, .2-1.0V
Orange 47 MAF Sensor (1) KOER - 1.3-1.7V At Idle
(1) KOER - 1.7-2.1V At 2000 RPM
White 48 Mass Airflow Sensor Ground (1) KOER, .005-.02V At Idle
Yellow 49 Throttle Position Sensor (1) KOEO, Pedal Released - About 5V
(1) KOEO, Pedal Released - Approximately 4.0V
Black 50 Sensor Ground At Idle - .001-.010V
Blue/Orange 51 Coolant Temp. Sensor (1) KOER, 0-5.0V, Varies With Temperature
White 52 Rear O2 Sensor (1) KOER, 0-1.5V
Blue 53 CKP Sensor (1) KOER, More than .2V AC
White 54 Knock Sensor (1) KOER, 2.0-3.0V
Orange 56 ECM Power Supply Ignition On - 11.0-14.0V
Orange 58 Data Link Conn. Ignition On - 11.0-14.0V
Orange 61 ECM Power Supply Ignition On - 11.0-14.0V
White 62 EGR Temperature Sensor At Idle - Less Than 4.5V EGR Operating - 0-1V
Blue/Orange 63 Intake Air Temperature Sensor (1) KOER 0-5V, Varies With Temperature
Yellow/ Black 64 Data Link Connector (1) KOER - 11.0-14.0V At Idle
Yellow/ Red 65 Data Link Connector (1) KOER - 11.0-14.0V At Idle
Yellow/ White 68 Data Link Connector (1) KOER - 11.0-14.0V At Idle
Orange 70 Power Supply Back-Up Ignition Off - 11.0-14.0V
Lt. Blue 101 IACV-AAC Valve (1) KOER, Normal Idle - 5.0-14.0V
KOER, Increased Idle Demand 5.0-9.0V
Brown 102 Injector No. 1 (1) KOER - 11.0-14.0V
Purple 103 EGR & Canister Control Solenoid (1) KOER - 11.0-14.0V At 2000 RPM
(1) KOEO - .6-.8V @ 4000 RPM
Brown/ Yellow 104 Injector No. 3 (1) KOEO - 11.0-14.0V
Black 106 ECCS Ground At Idle - Zero Volts
Brown/ White 107 Injector No. 2 (1) KOEO - 11.0-14.0V
Yellow 108 Rear Oxygen Sensor (1) KOEO - About .2V
Brown/ Yellow 109 Injector No. 4 (1) KOEO - 11.0-14.0V
Black 111 Rear O2 Sensor (1) KOER, About .2V
Black 112 ECCS Ground At Idle - Zero Volts
White 113 Current Return (1) KOEO - 11.0-14.0V
Yellow 115 Front O2 Sensor (1) KOER, Less Than 3200 RPM
(1) KOER, Greater Than 3200 RPM - 11.0-14.0V
Black 118 ECCS Ground At Idle - Zero Volts
(1) Average voltage for pulse signal.