89-94 LIBERTY/LEGACY FAULT CODES



Trouble 
Code		 Item Contents of Diagnosis Fail-Safe Operation Non-
Turbo		 Turbo
10 ECU identification Identifies ECU in manual vehicles none X X
11 crank angle sensor circuit No signal entered from crank angle sensor, but signal (corresponding to at least one rotation of the crank) entered from cam angle sensor none X X
12 starter signal circuit Abnormal signal emitted from starter switch Turns starter signal switch OFF X X
13 cam angle sensor circuit No signal entered from cam angle sensor, but signal (corresponding to at least two rotations of cam) entered from crank angle sensor none X X
14 Injector #1 Fuel injector inoperative (Abnormal signal emitted from monitor circuit) none X X
15 Injector #2 Fuel injector inoperative (Abnormal signal emitted from monitor circuit) none X X
16 Injector #3 Fuel injector inoperative (Abnormal signal emitted from monitor circuit) none X X
17 Injector #4 Fuel injector inoperative (Abnormal signal emitted from monitor circuit) none X X
21 Coolant temperature sensor circuit Abnormal signal emitted from water temperature sensor Adjusts water to a specific temperature, maintains radiator fan "ON" to prevent overheating X X
22 Knock sensor circuit Abnormal voltage produced in knock sensor monitor circuit Sets in regular fuel map and retards ignition timing X X
23 Air mass sensor circuit Abnormal voltage input entered from air flow sensor Controls the amount of fuel (injected) in relation to engine speed and throttle sensor position X X
24 Bypass air control (BAC) valve circuit Air control valve inoperative (Abnormal signal produced in monitor circuit) Prevents abnormal engine speed using "fuel cut" in relation to engine speed, vehicle speed, and throttle sensor position X X
20 ECU identification A/T model Identifies ECU in A/T vehicles none X X
31 Throttle position sensor (TPS) circuit Abnormal voltage input entered from throttle sensor Sets throttle sensor's voltage output to a fixed value X X
32 Oxygen sensor circuit Oxygen sensor inoperative  none X X
33 Vehicle speed sensor circuit Abnormal voltage input entered from vehicle speed sensor Sets vehicle speed signal to a fixed value X X
35 Purge solenoid valve circuit Solenoid valve inoperative none X X
41 Air/Fuel ratio control system circuit Faulty learning control function none X X
42 Idle switch circuit Abnormal voltage input entered from idle switch Judges OFF operation X X
44 Duty solenoid valve
(Wastegate control)		 Duty solenoid valve inoperative none   X
45 Atmospheric pressure sensor circuit Faulty sensor Sets sensor to 760 mmHg X  
45 Pressure sensor and pressure exchange solenoid valve circuit Faulty sensor or pressure exchange solenoid valve inoperative Prevents abnormal supercharging pressure using "fuel cut" in relation to engine load   X
47 Economy switch circuit A/T models Abnormal signal entered from economy switch none X X
49 Air mass sensor circuit Use of improper air flow sensor none X X
51 Neutral switch Abnormal signal entered from neutral switch none X X
51 Inhibitor switch Abnormal signal entered from inhibitor switch A/T models none X X
52 Parking switch circuit Abnormal signal entered from parking switch A/T models none X X


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