TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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SRS/Supplemental Restraint System45 / 102
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READ DIAGNOSTIC TROUBLE CODE — MK4 Supra Supplemental Restraint System, page 45
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RS–45 SUPPLEMENTAL RESTRAINT SYSTEM – TROUBLESHOOTING Normal Code 0.25 ON OFF 0.25 AT0718 Code 11 and 31 0.5 2.5 4.0 ON OFF 1.5 0.5 Repeat AB0056 2. READ DIAGNOSTIC TROUBLE CODE Read the 2–digit diagnostic trouble code as indicated by the number of times the SRS warning light blinks. As an example, the blinking patterns, normal, 11 and 31 are as shown on the illustration. • Normal code indication The light will blink 2 times per second. • Malfunction code indication The number represented by the first blinking code out- put indicates the first digit of a 2–digit diagnostic trouble output. After a 1.5 second pause, the second blinking code will indicate the second digit. If there are 2 or more codes, there will be a 2.5 second pause between each code. After all the codes have been output, there will be a 4.0 second pause and they will all be repeated. HINT: • In the event of a number of trouble codes, indication will start from the smallest numbered code. • If it does not output a diagnostic trouble code or outputs a diagnostic trouble code without terminal connection, proceed to the Tc terminal circuit inspection on page RS–99. FI6997 Using TOYOTA hand–held tester: (a) Hook up the TOYOTA hand–held tester to the DLC1 or DLC2. (b) Read the diagnostic trouble codes by following the prompts on the tester screen. HINT: Please refer to the TOYOTA hand–held tester opera- tor's manual for further details.