Operation CHARM: Car repair manuals for everyone.

EGR Temperature Sensor

[1][2]A/C Relay
Resistance between terminals 1 and 2 continuity

Air Fuel Mixture
CO content [2] less than 5 %

Air Induction Valve Solenoid
Operating voltage 12 vdc
Resistance value continuity

Air Temperature Sensor
Resistance value at specified temperature
2.1 - 2.9K ohms 20° C (68° F)
0.27 - 0.38K ohms 80° C (176° F)

Auxiliary Air Control Valve
Resistance value [1] 10 ohms

Crank Angle Sensor
Output voltage
Between terminal a & ground [5] 5 vdc
Between terminal d & ground [6] 5 vdc

ECCS Relay
Resistance between terminals 1 and 2 continuity

EGR Solenoid
Operating voltage 12 vdc
Resistance value continuity

EGR Temperature Sensor
Resistance value [3] 85 K ohms

Engine Temperature Sensor
Resistance value at specified temperature
2.1 - 2.9 K ohms 20° C (68° F)
0.3 - 0.33 K ohms 80° C (176° F)

Fuel Injector
Resistance value [1] 10 - 15 Ohms

Fuel Pump
Resistance between terminals A and C continuity

Fuel Pump Relay
Resistance between terminals 1 and 2 continuity

Idle Switch
Closes 1000 ± 150 rpm in neutral

Ignition Coil
Primary circuit resistance [1] 0.7 Ohms
Secondary circuit resistance [1] 8 K ohms

Ignition Resistor
Resistance between terminals continuity

SCV Solenoid
Operating voltage 12 vdc
Resistance value continuity

Throttle Sensor
Voltage between terminals e and f at idle [1] 0.5 vdc

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


[1] Approximately
[2] With 2.5 K ohm resistor in place of engine temperature
sensor and with A.I.V and O2 sensor disconnected.
[3] At 100° C (212° F)
[4] Two times per revolution while turning sensor.
[5] Comes and goes 4 times per revolution.
[6] Comes and goes 360 times per revolution.