Dodge D150 1990 Service Manual page 721

FAULT CODE DESCRIPTION
FAULT CODE
DRBII DISPLAY
DESCRIPTION OF FAULT CONDITION
24 TPS Voltage Low
or
TPS Voltage High
Throttle position sensor input
below the minimum acceptable
voltage.
Throttle position sensor input
above the maximum acceptable
voltage.
25 AIS Motor Grcuits
A shorted condition detected in
one or more of the AIS control
circuits.
27
INJ 1 Control Oct
Injector output driver #1 or #2
does not respond property to
the control signal.
31
Purge Solenoid Get
An open or shorted condition
detected in the purge solenoid
circuit.
32 EGR Solenoid Circuit
or
EGR System Failure
An open or shorted condition
detected in the EGR solenoid
circuit.
Required change in air-fuel ratio
not detected during diagnostic
test (California emission packages
only).
33 A/C Clutch Relay Oct An open or shorted condition
detected in the A/C clutch relay
circuit.
34
S/C Servo Solenoids An open or shorted condition
detected in the speed control
vacuum or vent solenoid circuits.
35 Idle Switch Shorted
or
Idle Switch Opened
Idle contact switch input circuit
shorted to ground.
Idle contact switch input circuit
opened.
36 Air Switch Solenoid An open or shorted condition
detected in the air switching
solenoid circuit.
37 PTU Solenoid Circuit An open or shorted condition
detected in the torque convertor
part throttle unlock circuit
(Engine packages with A-999 or
A-500 automatic transmissions only).
J9014-161