Troubleshooting assistant

Pick a problem area, choose the symptom, then follow the remedy links or step-by-step TSRM procedure.

Diagnostic codes

Areas

Engine Mechanical

12 problems

Engine symptom table from the 1990 USDM TSRM.

EFI System

5 problems

EFI symptom procedures and electronic fuel injection checks.

Turbocharger System

3 problems

Turbocharger troubleshooting from the 1990 USDM TSRM.

Cooling System

1 problems

Cooling system troubleshooting table.

Lubrication System

3 problems

Lubrication and oil pressure troubleshooting table.

Ignition System

7 problems

Ignition system troubleshooting table.

Starting System

4 problems

Starting system troubleshooting table.

Charging System

2 problems

Charging system troubleshooting table.

Clutch

6 problems

Clutch troubleshooting table from the 1990 USDM TSRM.

Manual Transmission

4 problems

Manual transmission troubleshooting table from the 1990 USDM TSRM.

Automatic Transmission

1 problems

Automatic transmission / ECT basic troubleshooting from the 1990 USDM TSRM.

Propeller Shaft

2 problems

Propeller shaft troubleshooting table from the 1990 USDM TSRM.

Front Axle and Suspension

5 problems

Front axle and suspension troubleshooting table from the 1990 USDM TSRM.

Rear Axle and Suspension

4 problems

Rear axle and suspension troubleshooting table from the 1990 USDM TSRM.

Brake System

7 problems

Brake system troubleshooting tables from the 1990 USDM TSRM.

Steering

4 problems

Steering troubleshooting table from the 1990 USDM TSRM.

Body Electrical System

65 problems

Body electrical troubleshooting from the 1990 USDM TSRM.