Operation CHARM: Car repair manuals for everyone.

Radiator Cooling Fan Motor Relay

[1][2]A/C Relay
Resistance 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 between 0.2 & 8.0 % [2]

Auxiliary Air Control Valve
Resistance value 0.5 ohms

Crank Angle Sensor
Output voltage
Between terminal 3 & ground 5 vdc [6]
Between terminal 4 & ground 5 vdc [7]

ECCS Relay
Resistance between terminals 1 and 2 continuity

Engine Temperature Sensor
Resistance Value
2.1 - 2.9k ohms at 20° C (68° F)
0.68 - 1.0k ohms at 50° C (122° F)
0.30 - .33k ohms at 80° C (176° F)

EGR Solenoid
Operating voltage 12 vdc
Resistance value continuity

EGR Temperature Sensor
Resistance value 85k ohms [3]

Fuel Injector
Resistance value 10 - 14 ohms [1]

Fuel Pump
Resistance between terminals A and C 0.5 ohms [1]

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 8.2k - 12.4k ohms [5]

Ignition Resistor
Resistance value 2.2k 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 1k ohm [1]
At 1/2 throttle 1k - 9k ohm [1]
At full throttle 9k ohm [1]

Vehicle Speed Sensor
Resistance value alternates between open & closed [4]


[1] Approximately
[2] With 2.5k 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.