D21 Hardbody 4WD V6-2960cc 3.0L SOHC MFI (VG30E) (1991)
CRANK ANGLE SENSOR
Located in the distributor, at the front of the intake plenum. Fig. 1
ECCS RELAY (green)
Located in the relay box on the R.H. fender apron. Fig. 2
ELECTRONIC CONTROL UNIT
Located under the R.F. seat.
ENGINE TEMPERATURE SENSOR
Located in the upper water tube near the manifold. Fig. 1
EXHAUST GAS RECIRCULATION [EGR] SOLENOID
Located on the intake manifold, below the throttle chamber. Fig. 1
EGR TEMPERATURE SENSOR [CA. ONLY]
Located in the EGR valve at the L.H. of the intake plenum. Fig. 1
FUEL INJECTORS [6]
Located in the intake manifold very near the cylinder head.
FUEL PUMP
Located in the fuel tank, on top.
FUEL PUMP RELAY (green)
Located in the relay on the left fender apron. Fig. 2
FUSIBLE LINK
Located on the positive battery terminal. Fig. 2
IDLE SWITCH
Located on the throttle chamber at the butterfly. Fig. 1
IGNITION COIL
Located on the R.H. side of the intake plenum. Fig. 1
IGNITION RESISTOR
Taped to the engine harness near the ignition coil.
IGNITION SWITCH
Located on the steering column.
INHIBITOR SWITCH [A/T ONLY]
Located on the transmission at the selector shaft.
KNOCK SENSOR
Located on top of the cylinder block in between the cylinder banks.
NEUTRAL SWITCH [M/T ONLY]
Located in the rear extension of the transmission (it is the switch closest to the rear).
OXYGEN [O2] SENSOR
Located in the exhaust pipe, under the left side of the cab.
POWER STEERING LOAD SWITCH
Located on the high-pressure line at the pump. Fig. 1
POWER TRANSISTOR
Located on the R.H. side of the intake plenum, near the ignition coil. Fig. 1
THROTTLE SENSOR / THROTTLE VALVE SWITCH
Located on the throttle chamber at the butterfly. Fig. 1
VEHICLE SPEED SENSOR
Located in the speedometer head.