TSRM/MK3 Supra/Repair Manual
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BE/Body Electrical System — Troubleshooting, page 64

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p.065
Troubleshooting — MK3 Supra Body Electrical System, page 64
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Page text (OCR transcript)
Troubleshooting

Problem | Inspection Item | No.

Cruise control does not operate. | (a) Inspect type A codes. | No. 1 NO B
 | | No. 2 NO C
 | | No. 3 NO K
 | | No. 4 NO F to J
 | | No. 5 NO F
 | | No. 6 NO E
 | (b) Inspect type B codes. | 11 D
 | | 21 E
 | | 23 D, E
 | | 31 K
 | (c) All codes are normal. | A, D, E

Vehicle speed fluctuates when set switch pushed on. | | 

Vehicle speed does not decrease when coast switch pushed on. | Inspect No. 1 of type A code. | OK D
 | | NO B

Vehicle speed does not accelerate when accel switch pushed on. | | 

Vehicle speed does not return to memorized speed when resume switch pushed on. | Inspect No. 2 of type A code. | OK D
 | | NO C

Setting speed deviates on high side. | | 

Setting speed deviates on low side. | | D,E

Return and acceleration response is sluggish. | Inspect No. 3 of type A code. | OK D
 | | NO K

Setting speed does not fluctuate when set switch pushed on. | Inspect No. 4 of type A code. | OK D
 | | NO F

Setting speed does not cancel when brake pedal depressed. | Inspect No. 4 of type A code. | OK D
 | | NO G

Setting speed does not cancel when parking brake pulled. | Inspect No. 4 of type A code. | OK D
 | | NO H

Setting speed does not cancel when clutch pedal depressed (M/T only). | Inspect No. 4 of type A code. | OK D
 | | NO I

Setting speed does not cancel when shifted to "N" range (A/T only). | Inspect No. 4 of type A code. | OK D
 | | NO J

Speed can be set below about 40 km/h (25 mph). | | 

Cruise control will not disengage even about 40 km/h (25 mph). | Inspect No. 5 of type A code. | OK D
Inspect No. 6 of type A code. | NO E

A short period after the O/D cut. (Approx. within 14 seconds) the O/D will resume. | | L