Component Specifications
A/C RelayResistance between coil terminals continuity
Air Fuel Mixture
CO content [2] less than 7 %
Air Induction Valve Solenoid
Operating voltage 12 VDC
Resistance value continuity
Air Regulator
Resistance value approx. 75 ohms
Auxiliary Air Control Valve
Resistance value [1] 10 Ohms
Canister Purge Solenoid
Operating voltage 12 VDC
Resistance value continuity
Crank Angle Sensor
Output voltage
Between terminal 1 & ground [5] 5 VDC
Between terminal 2 & ground [6] 5 VDC
Detonation (Knock) Sensor
Resistance between terminal A and ground [7] continuity
ECCS Relay
Resistance between coil terminals 1 and 2 continuity
EGR/Canister Solenoid
Operating voltage 12 VDC
Resistance value continuity
EGR Temperature Sensor
Resistance value [3] 85.3 ± 8.53 K 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)
Idle-Up Solenoid (IACV-FICD)
Resistance between coil terminals continuity
Operating voltage 12 VDC
Fuel Injector
Resistance value [1] 11 ohms 68° F [20° C]
Fuel Pump
Resistance between terminals 1 and 3 0.5 Ohms
Fuel Pump Relay
Resistance between coil terminals 1 and 2 continuity
Ignition Coil
Primary circuit resistance [1] 0.7 Ohms
Ignition Resistor
Resistance between terminals 2.2 K ohms
Mass Air Flow Sensor
Output Voltage: [8]
terminal 1 to ground, engine idling with no load 1.0 - 1.4 VDC
terminal 1 to ground as engine is revved up to 3.0 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.
SCV Solenoid
Operating voltage 12 VDC
Resistance value continuity
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 up, MAF terminal connected.