TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
p.199
BE/Body Electrical Systems200 / 203
p.201
INSPECTION PROCEDURE — MK4 Supra Body Electrical Systems, page 200
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BE–200 BODY ELECTRICAL SYSTEM – CRUISE CONTROL SYSTEM INSPECTION PROCEDURE 1 Check voltage between terminals Tc and E1 of DLC. ON DLC2 C (1) Turn ignition switch ON. (2) Measure voltage between terminals Tc and E1 of DCL. OK Voltage: 10 – 14 V E1 Tc E1 DLC1 Tc BE3840 SA1296 MO8872 NG OK Proceed to next circuit inspection shown on matrix chart (See page BE–170). 2 Check for open and short in harness and connector between ECU and TDCL, TDCL and body ground. (See page IN–30). OK NG Repair or replace harness or connector. Check and replace ECU.