1988 Toyota Supra service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications, torque values, and reference data
- Electrical diagnostics with full wiring diagrams
- Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more
- Diagnostic trouble codes and troubleshooting flow
- Maintenance schedules and fluid capacities
Trims covered
- 7M-GE, Automatic
- 7M-GE, Standard, R154
- 7M-GE, Standard, W58
- 7M-GTE, Automatic
- 7M-GTE, Standard, R154
- 7M-GTE, Standard, W58
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Maintenance & Lubrication
- Specifications
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Diagnostic Trouble Codes
- Technical Service Bulletins
- Wiring Diagrams
POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Toyota. This information must be kept near the point of vehicle sale and be available to any custom
Product general information.
Replacement vin plates.
TSB: OBSOLETE NOTICE April 07, 2020: This bulletin is now obsolete. Please see T-SB-0032-20. Replacement Certification Labels and VIN Plates
AFTER TAKING VEHICLE FOR A SAFETY CHECK CONSUMER HAD DRIVEN ABOUT 200 MILES AND HEARD TWO BANGS. THEN, TEMPERATURE GAUGE WENT TO HIGH. CONSUMER PULLED OVER, AND NOTICED FLAMES COMING FROM UNDER
AFTER TAKING VEHICLE FOR A SAFETY CHECK CONSUMER HAD DRIVEN ABOUT 200 MILES AND HEARD TWO BANGS. THEN, TEMPERATURE GAUGE WENT TO HIGH. CONSUMER PULLED OVER, AND NOTICED FLAMES COMING FROM UNDER
VEHICLE CAUGHT FIRE FOR UNKNOWN REASON WHILE IN MOTION ON FREEWAY.
HERE'S MY COMPLAINT, THE TARGA TOP ON MY 88 TOYOTA SUPRA, HAS LEAKED EVER SINCE I GOT THE CAR IN 1990. EVERYONE WHOM I HAVE SPOKE TO WITH A TARGA TOP, HAS TOLD ME THAT THEIR TARGA TOPS LEAK. SO, WIT
I HOPE YOU CAN HELP ME PREVENT POSSIBLE ACCIDENTS CAUSED FROM ENGINEERING ERROR ON IN THE CONSTRUCTION ON THE TARGA TOP ON THE 1987-1992 TOYOTA SUPRAS, EVERYONE WHOM I SPOKEN TO WHOM OWNS A SUPRA WITH
Showing the 5 most serious of 7 complaints filed with NHTSA.
