D21 Hardbody 2WD L4-2389cc 2.4L SOHC MFI (KA24E) (1990)
Neutral/Park (NP) Relay: Specifications
A/C Relay
Resistance between terminals 1 and 2 ............................................................................................................................................................... continuity
Air Fuel Mixture
CO content ............................................................................................................................................................................................... less than 5 % [2]
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 .............................................................................................................................................................................................. 10 ohms [1]
Crank Angle Sensor
Output voltage
Between terminal a & ground ............................................................................................................................................................................ 5 vdc [5]
Between terminal d & ground ............................................................................................................................................................................ 5 vdc [6]
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 [3]
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
Lock-Up Cancel Solenoid
Resistance between terminals 1 and 3 ............................................................................................................................................................. 25 ohms [1]
Neutral/Park (NP) Relay
Resistance between terminals 1 and 2 ............................................................................................................................................................... continuity
SCV Solenoid
Operating voltage .................................................................................................................................................................................................... 12 vdc