TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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BE/Body Electrical Systems124 / 203
p.125
Door Lock System — MK4 Supra Body Electrical Systems, page 124
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BE–124 BODY ELECTRICAL SYSTEM – THEFT DETERRENT AND DOOR LOCK CONTROL SYSTEM Door Lock System Trouble | Suspect Area | See Page Whole function of the door lock control system does not operate. 1. ECU Power Source Circuit 2. Actuator Power Source Circuit 3. Door Lock Motor Circuit 4. Theft Deterrent and Door Lock Control ECU BE–150 BE–152 BE–154 BE–125 All doors or some doors are not locked and unlocked with the door lock control switch and Key lock and unlock switch. 1. Door Lock Control Switch Circuit 2. Door Key Lock and Unlock Switch Circuit 3. Door Lock Motor Circuit 4. Theft Deterrent and Door Lock Control ECU BE–156 BE–158 BE–154 BE–125 Doors cannot be locked with the door lock control switch. (Doors lock and unlock normally With the key lock and unlock switch.) 1. Door Lock Control Switch Circuit 2. Key Unlock Warning Switch Circuit 3. Door Courtesy Switch Circuit 4. Theft Deterrent and Door Lock Control ECU BE–156 BE–160 BE–147 BE–125 Doors are not locked or unlocked with the door key Lock and unlock switch. (Doors lock and unlock normally with the door lock control switch.) 1. Door Key Lock and Unlock Switch Circuit 2. Theft Deterrent and Door Lock Control ECU BE–158 BE–125 Key confinement prevention function does not Operate. (Doors lock and unlock normally with The door key lock and unlock switch.) 1. Key Unlock Warning Switch Circuit 2. Door Unlock Detection Switch Circuit 3. Theft Deterrent and Door Lock Control ECU BE–160 BE–145 BE–125