Radiator Cooling Fan Motor Relay
[1][2]A/C RelayResistance between terminals 1 and 2 continuity
AAC Valve
Resistance value between terminals:
1 & 2 27 - 40 ohms [1]
2 & 3 27 - 40 ohms [1]
3 & 4 27 - 40 ohms [1]
4 & 5 27 - 40 ohms [1]
5 & 6 27 - 40 ohms [1]
Air Flow Meter
Output voltage between terminal B & ground 1.0 - 1.3 vdc at idle
Air Fuel Mixture
CO content [2] between 0.2 & 8.0 %
Crank Angle Sensor
Output voltage
Between terminal 3 & ground [6] 5 vdc
Between terminal 4 & ground [7] 5 vdc
ECCS Relay
Resistance between terminals 1 and 2 continuity
Engine Temperature Sensor
Resistance Value
2.1 - 2.9 K ohms at 20° C (68° F)
0.68 - 1.0 K ohms at 50° C (122° F)
0.30 - .33 K ohms at 80° C (176° F)
EGR Solenoid
Operating voltage 12 vdc
Resistance value continuity
EGR Temperature Sensor
Resistance value [3] 85 K ohms
Fuel Injector
Resistance value [1] 10 - 14 Ohms
Fuel Pump
Resistance between terminals A and C [1] 0.5 Ohms
Fuel Pump Relay
Resistance between terminals 1 and 2 continuity
Idle Switch
Closes idle speed + 250 ± 150 rpm in neutral
Ignition Coil
Supply voltage 12 vdc
Primary resistance 1.0 Ohms [5]
Secondary resistance [5] 8.2 - 12.4 K ohms
Ignition Resistor
Resistance value 2.2 K ohms
Knock Sensor
Resistance value between terminals continuity
Pressure Regulator Control Solenoid
Operating voltage 12 vdc
Resistance value continuity
Power Valve Control Solenoid
Operating voltage 12 vdc
Resistance value continuity
Radiator Fan Relay
Resistance between terminals 1 and 2 continuity
Throttle Sensor
Resistance value terminals E & F
At idle [1] 1 K ohm
At 1/2 throttle [1] 1 K - 9 K ohm
At full throttle [1] 9 K ohm
Vehicle Speed Sensor
Resistance value [4] alternates between open & closed
[1] Approximately
[2] With 2.5 K ohm resistor in place of cylinder head
temperature sensor and with O2 sensor disconnected.
[3] At 100° C (212° F.
[4] Two times per revolution while turning sensor.
[5] At 20° C (68° F).
[6] Comes and goes 3 times per revolution.
[7] Comes and goes 360 times per revolution.