NG -- REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
OK -- Continue to next step.
3. REPLACE DOOR CONTROL RECEIVER
(a) Temporarily replace the door control receiver with a new one See: Accessories and Optional Equipment/Antitheft and Alarm
Systems/Keyless Entry/Keyless Entry Module/Service and Repair/Removal.
NEXT -- Continue to next step.
4. CHECK FOR DTC
(a) Clear the DTC See: Accessories and Optional Equipment/Antitheft and Alarm Systems/Keyless Entry/Testing and
Inspection/Reading and Clearing Diagnostic Trouble Codes.
(b) Recheck for DTCs.
OK:
DTC B1242 is not output.
NG -- REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
OK -- END (DOOR CONTROL RECEIVER WAS DEFECTIVE)
Up to 08/2009
DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: B1243: GSW Terminal Circuit Malfunction
B1243 - GSW Terminal Circuit Malfunction
DESCRIPTION
If the collision door lock release function does not operate normally, or an open or short in the GSW input circuit of the main body ECU (multiplex
network body ECU) is detected, DTC B1243 will be stored.
HINT
If DTC B1243 is stored, the speed-sensitive automatic door lock function, shift-linked automatic door lock function, and collision
door lock release function will be prohibited.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
1. CHECK DTC OUTPUT
(a) Clear the DTCs See: Body and Frame/Locks/Power Locks/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes.
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