Engine Controls - Tests W/codes: Overview — Jaguar XJS Series 3 (1990-1996)

Engine Controls - Tests W/codes: Overview Jaguar XJS Series 3

TROUBLE CODE DEFINITION (DTC) IDENTIFICATION

Code	System Affected	Probable Cause
12	Mass Airflow Sensor	Not In Operating Range
14	Coolant Temp. Sensor	Not In Operating Range
16	Air Temperature Sensor	Not In Operating Range
17	Throttle Position Sensor	Not In Operating Range
18	Throttle Potentiometer/ Mass Airflow Sensor	Signal Resistance Low At Wide Open Throttle
19	Throttle Potentiometer/ Mass Airflow Sensor	Signal Resistance High At Idle
22	Heated Oxygen Sensor/ Fuel Pump Relay	Open Or Short Circuit At Idle
23	Fuel Control	Rich Exhaust Indicated
24	Ignition Amplifier	Open Or Short Circuit
26	Air Leak/Running Lean	Lean Exhaust/Vacuum Leak
29	Electronic Control Module	Self Check
33	Fuel Injector Circuit	Open Or Short Circuit
34	Fuel Injector Circuit	Faulty Injector Indicated
37	EGR Solenoid Valve	Short Or Open Circuit
39	EGR Function	Faulty System Operation
44	Heated Oxygen Sensor	Rich Or Lean Condition
46	Idle Air Control Valve (Coil 1)	Open Or Short Circuit
47	Idle Air Control Valve (Coil 2)	Open Or Short Circuit
48	Idle Air Control Valve Position	Not Within Specification
66	Air Injection Pump Relay	Short Circuit Or Faulty Pump
68	Vehicle Speed Sensor	Incorrect Signal Voltage
69	Park/Neutral Position Switch Circuit	Engine Cranks In Drive
89	EVAP Canister Purge Control Valve	Voltage Not Within Range

TROUBLE CODE IDENTIFICATION