Operation CHARM: Car repair manuals for everyone.

Up to Engine KA24-012039

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

Air Flow Meter
Output voltage between terminal A and ground 1.0 - 3.0 [3]

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

Air Induction Valve Solenoid
Operating voltage 12 vdc
Resistance value continuity

Air Regulator
Resistance value 75 ohms [1]

Auxiliary Air Control Valve
Operating range 100 - 200 Hz.
Resistance value 10 ohms [1]

ECCS Relay
Resistance between terminals 1 and 2 continuity

EGR Solenoid
Operating voltage 12 vdc
Resistance value continuity

EGR Temperature Sensor
Resistance value 85k ohms [4]

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

Fuel Injector
Resistance value 10 - 15 ohms [1]

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
Resistance between terminals D and E 0.7 ohms [1]

Ignition Resistor
Resistance between terminals continuity

Pressure Regulator Control Solenoid
Operating voltage 12 vdc
Resistance value continuity

Safety Relay
Resistance between terminals 1 and 2 continuity

Throttle Sensor
Voltage between terminals 4 and 5
Idle position 0.0 [1]
Half throttle 2.5 [1]
Full throttle 5.0 [1]

Vehicle Speed Sensor
Output voltage while rotating quickly 0.5 volts A.C.


[1] Approximately
[2] With 2.5k ohm resistor in place of engine temperature
sensor and with AIV and O2 sensor disconnected.
[3] Varies when racing engine.
[4] At 100° C (212° F)