LH 3.1 Jetronic
Air Mass MeterBetween terminals 1 and 4 approx. 108 ohms
Coolant Temperature Sensor
At 14 deg. F. (-10 deg C) 8260 - 10560 ohms
At 32 deg. F. (0 deg. C.) 5800 - 6000 ohms
At 104 deg. F. (40 deg. C.) 1050 - 1200 ohms
At 176 deg. F. (80 deg. C.) 290 - 364 ohms
Fuel Injector
Between the injector pins 16 ohms
Idle Air Valve
Between terminals 1 and 2 Approx. 8 ohms
Oxygen Sensor (Lambda Sond)
Preheat Resistor Cold (less than 68 deg. F./20 deg. C.) 3 ohms
Preheat Resistor Hot (greater than 662 deg. F./350 deg. C.) 13 ohms
Output Voltage (with CO adjustment within specs) 0.3 - 0.7 volts
Timing [1]
At Idle (750 RPM) 12 ° +/- 2 BTDC
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[1] Timing specification is check only, no adjustments are possible.