(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Text in Illustration
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
3. REPLACE ID CODE BOX (IMMOBILISER CODE ECU)
(a) Replace the ID code box (immobiliser code ECU) See: Accessories and Optional Equipment/Antenna/Keyless Start Antenna/Service
and Repair/Removal.
NEXT -- Continue to next step.
4. CHECK DTC OUTPUT
(a) Clear the DTC See: Powertrain Management/Computers and Control Systems/Information Bus/Testing and Inspection/Reading and
Clearing Diagnostic Trouble Codes.
(b) Recheck for DTCs.
OK:
DTC B2789 is not output.
NG -- REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
OK -- END (ID CODE BOX (IMMOBILISER CODE ECU) WAS DEFECTIVE)
Up to 08/2009
THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM: B2790: ID BOX EEPROM Malfunction
B2790 - ID BOX EEPROM Malfunction
DESCRIPTION
This DTC is output when the ID code box (immobiliser code ECU) detects an internal malfunction.
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