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LH-SFI Fault Code Identification

BASE MODULE FAULT CODE ID

Fault Code Malfunctioning Component/System
1 (1) *
5 Maximum Permissible Temperature In Module Box Exceeded
6 A/C Compressor Electromagnetic Clutch Blocked Poly-V Belt Slipping
9 Voltage Supply For LH-SFI Control Unit Interrupted
10 Voltage Supply For LH-SFI Control Unit Interrupted Or Voltage Supply For Fuel Injectors Interrupted
11 Voltage Supply For Accessory Equipment Control Units Interrupted
12 Voltage Supply For ABS Control Unit Or ABS/ASR Control Unit Interrupted
15 Voltage Supply For A/T Kickdown Valve Interrupted
16 Voltage Supply For A/C Compressor Electromagnetic Clutch Interrupted
17 Voltage Supply For Module Box Blower Motor Interrupted
(1) No faults in system.
CRUISE CONTROL/IDLE SPEED CONTROL MODULE FAULT CODE ID

Fault Code Malfunctioning Component/System
1 (1) *
2 Cruise Control/Idle Speed Control Unit
3 Cruise Control/Idle Speed Control Actuator
4 Cruise Control Switch
5 Stop Light Switch
6 Starter Lock-Out/Back-Up Light Switch
7 Controller Area Network (CAN) Data Bus
8 Left Front Speed Sensor
9 Left Rear Speed Sensor
10 TNA (Engine Speed) Signal
11 Fuel Safety Shutoff To LH-SFI Control Unit
12 Cruise Control/Idle Speed Control Unit Voltage Supply
(1) No faults in system.
DIAGNOSTIC MODULE FAULT CODE ID

Fault Code Malfunctioning Component/System
1 (1) *
2 Oxygen Sensor Inoperative
3 Lambda Control Inoperative
4 Air Injection Inoperative
5 Exhaust Gas Recirculation (EGR) Inoperative
6 Idle Speed Control Inoperative
7 Ignition System Failure
8 Coolant Temperature Sensor Open Or Short Circuit
9 Intake Air Temperature Sensor Open Or Short Circuit
10 Voltage At Air Mass Sensor Too High Or Low
11 TN (RPM) Signal Defective
12 Oxygen Sensor Heater Open Or Short Circuit
13 Camshaft Position Sensor Signal From EZL/AKR Ignition Control Unit Defective
14 Intake Manifold Pressure At Start Too Low
15 Full Throttle Information Defective
16 Idle Speed Information Defective
17 Controller Area Network (CAN) Data Exchange Malfunction Between Control Units
18 Adjustable Camshaft Timing Solenoid Open Or Short Circuit
19 Fuel Injectors Open Or Short Circuit Or Emission Control System Adaptation At Limit
20 Speed Signal Missing
21 Purge Switchover Valve Open Or Short Circuit
22 Camshaft Position Sensor Signal Defective
23 Intake Manifold Pressure With Engine Running Too Low
24 Starter Ring Gear Segments Defective
25 Knock Sensors Defective
26 Upshift Delay Switchover Valve Open Or Short Circuit
27 Coolant Temp. Sensor Deviation Between Sensor Circuit No. 1 & Sensor Circuit No. 2
28 Coolant Temp. Sensor (Coolant Temperature Change Monitor)
(1) No faults in system.
ELECTRONIC ACCELERATOR CONTROL MODULE FAULT CODE ID

Fault Code Malfunctioning Component/System
1 (1) *
2 Electronic Accelerator Control Unit
3 Electronic Accelerator Actuator
4 Cruise Control Switch
5 Stoplight Switch
6 Starter Lock-Out/Back-Up Light Switch
7 Controller Area Network (CAN) Data Bus
8 Left Front Speed Sensor
9 Left Rear Speed Sensor
10 TNA (Engine Speed) Signal
11 Fuel Safety Shutoff To LH Control Unit
12 Electronic Accelerator Control Unit Voltage Supply
14 Idle Speed Control Switch
(1) No faults in system.
EZL/AKR IGNITION CONTROL UNIT FAULT CODE ID

Fault Code Malfunctioning Component/System
1 (1) *
2 Maximum Retard Setting On At Least 1 Cylinder Has Been Reached
3 (2) *
4 Load Sensor In EZL/AKR Ignition Control Unit Defective
5 Knock Sensor No. 1 Or No. 2 Defective
6 Camshaft Position Sensor Defective
7 Knock Control Output Switch In EZL/AKR Ignition Control Unit Defective
8 Transmission Overload Protection Switch Does Not Close
9 Transmission Overload Protection Switch Does Not Open
10 (2) *
11 Reference Resistor Defective
12 TN (Engine RPM) Signal Is Outside Tolerance Range
13-14 (2) *
15 Ignition Coil No. 1 Output From EZL/AKR Ignition Control Unit Defective Or Primary Winding Of Ignition Coil Has An Open Circuit
16 Ignition Coil No. 2 Output From EZL/AKR Ignition Control Unit Defective Or Primary Winding Of Ignition Coil Has An Open Circuit
17 Crankshaft Position Sensor Defective
18 Magnets For Crankshaft Position Sensor Not Recognized
19 (2) *
20 EZL/AKR Ignition Control Unit Malfunction Memory Defective
21 Load Sensor In EZL/AKR Ignition Control Unit Defective (Engine Running)
22-25 (2) *
26 EZL/AKR Ignition Control Unit Data Exchange Malfunction
27 LH-SFI Control Unit Data Exchange Malfunction
28 Electronic Accelerator Control Unit Data Exchange Malfunction
29-33 (2) *
34 Ignition Misfire Cylinder No. 1
35 Ignition Misfire Cylinder No. 5
36 Ignition Misfire Cylinder No. 3 (6-Cylinder)
36 Ignition Misfire Cylinder No. 4 (V8)
37 Ignition Misfire Cylinder No. 6 (6-Cylinder)
37 Ignition Misfire Cylinder No. 8 (V8)
38 Ignition Misfire Cylinder No. 2 (6-Cylinder)
38 Ignition Misfire Cylinder No. 6 (V8)
39 Ignition Misfire Cylinder No. 4 (6-Cylinder)
39 Ignition Misfire Cylinder No. 3 (V8)
40 Ignition Misfire Cylinder No. 7 (V8)
41 Ignition Misfire Cylinder No. 2 (V8)
(1) No faults in system.
(2) Not assigned.
LH-SFI CONTROL UNIT FAULT CODE ID

Fault Code Malfunctioning Component/System
1 (1) *
2 Coolant Temp. Sensor Open Or Short In Ckt No. 1 (Terminal No. 31 On LH Control Unit Connector No. 2)
3 Coolant Temp. Sensor Open Or Short In Ckt No. 2 (Terminal No. 18 On LH Control Unit Connector No. 2)
4 Voltage At Air Mass Sensor Hot-Wire Too Low Or High, Or Open Ground Wire At Air Mass Sensor
5 (2) *
6 (2) *
7 RPM (TN) Signal Incorrect Or Open Or Short Ckt
8 Camshaft Position Sensor Signal Open Or Short Ckt
9 Starter Signal Missing
10 Idle Speed Recognition From Electronic Accelerator Module Or Cruise Control/Idle Speed Control Module Short Ckt
11 Air Injection System Open Or Short Ckt
12 Burn-Off Control For Air Mass Sensor Open Or Short Ckt
13 Intake Air Temp. Sensor Open Or Short Ckt
14 (2) *
15 (2) *
16 EGR Switchover Valve Open Or Short Ckt
17 No Data Transmission From Electronic Accelerator Module Or Cruise Control/Idle Speed Control Module
18 No Data Transmission From EZL/AKR Ignition Control Unit
19 (2) *
20 No Data Transmission From LH Control Unit
21 Oxygen Sensor Open ckt
22 Oxygen Sensor Heater Open Or Short ckt
23 Purge Switchover Valve Open Or Short ckt
24 Adjustable Camshaft Timing Solenoid Or Right Adjustable Camshaft Timing Solenoid Open Or Short ckt
25 Left Adjustable Camshaft Timing Solenoid Open Or Short ckt
26 (2) *
27 Fuel Injector Open Or Short ckt
28 LH Control Unit Coding Open ckt
(1) No faults in system.
(2) Not assigned.