Component Specifications

A/C Relay
Resistance between coil terminals continuity

Air Fuel Mixture
CO content [2] less than 10 %

Air Induction Valve Solenoid
Operating voltage 12 VDC
Resistance value continuity

Air Regulator
Resistance value [1] 70 - 80 Ohms

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

Detonation (Knock) Sensor
Resistance between terminal A and ground [7] continuity

ECCS Relay
Resistance between terminals 1 and 2 continuity

EGR Solenoid
Operating voltage 12 VDC
Resistance value continuity

EGR Temperature Sensor
Resistance value [3] 85.3 ± 8.53 K ohms

Exhaust Gas Sensor Heater
Resistance value 3 - 1,000 Ohms

Engine Temperature Sensor
Resistance value at specified temperature
2.1 - 2.9 .K K ohms 20° C (68° F)
0.68 - 1.00 K ohms 50° C (122° F)
0.3 - 0.33 K K ohms 80° C (176° F)

Fuel Injector
Resistance value [1] 10 - 14 Ohms

Fuel Pump
Resistance between terminals 0.7 Ohms

Fuel Pump Relay
Resistance between terminals 1 and 2 continuity

Ignition Coil
Primary circuit resistance [1] 1.0 Ohms
Secondary circuit resistance [1] 10 K ohms

Ignition Resistor
Resistance between terminals 2.2 K ohms

Mass Air Flow Sensor
Output Voltage [8] 1.3 - 1.7 VDC
Supply Voltage 12 VDC

Power Transistor
Resistance Between Terminals:
a (+ lead) & b (- lead) no continuity
a (+ lead) & c (- lead) no continuity
b (+ lead) & a (- lead) some continuity
b (+ lead) & c (- lead) some continuity
c (+ lead) & a (- lead) some continuity
c (+ lead) & b (- lead) some continuity

NOTE: You MUST use a high quality (10 megohm impedance or more) DVOM for these tests. Be sure to follow the positive and negative lead instructions exactly as given. "Some continuity" is defined as any resistance between zero and infinite ohms.


Throttle Sensor
Voltage between terminals A and B at idle [1] 0.45 - 0.55 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.
[7] An ohmmeter that can measure more than 10 Megohms
is required.
[8] Engine fully warmed, at idle with no load