TSRM/MK3 Supra/Repair Manual
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BE/Body Electrical System — Door Lock Control System, page 51

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p.052
Door Lock Control System — MK3 Supra Body Electrical System, page 51
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Page text (OCR transcript)
DOOR LOCK CONTROL SYSTEM

Door Lock Control Switch

INSPECTION OF SWITCH

INSPECT LEFT AND RIGHT SWITCH CONTINUITY

Inspect the switch continuity between terminals.

Terminal
Switch Position    4    1    3
LOCK              ○————○
OFF
UNLOCK            ○————○

If continuity is not as specified, replace the switch.

Unlock Warning Switch
(See page BE-15)

Door Lock Key Switch

INSPECTION OF SWITCH

INSPECT SWITCH CONTINUITY

Inspect the switch continuity between terminals.

(USA)

Terminal
Switch Position    5    3    4
LOCK              ○————○
UNLOCK            ○————○

(CANADA)

Terminal
Switch Position    1    2    3
LOCK              ○————○
UNLOCK            ○————○

If continuity is not as specified, replace the switch.

Door Lock Control Relay

INSPECTION OF RELAY

INSPECT DOOR LOCK CONTROL RELAY

(a) Disconnect the relay connector and inspect the connector on the wire harness side as shown in the chart.