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DRIVEABILITY AND EMISSIONS 6E1-241 KEY TRANSPONDER ENCRYPT ENCRYPT TECH-2 CARTRIDGE ENCRYPT BATTERY IGN''ON'' IGN''ON'' IGN''ON'' GND BATTERY INJECTION:STOP IGNITION:STOP GND CPU ECM ANTENNA COIL RELAY (STARTER CUT) VEHICLE IMMOBILIZER VSS IN OTHER SYSTEM DIAGNOSIS VEHICLE SPEED SENSOR LINE CHECK ENGINE DIAGNOSIS DLC DIAGNOSTIC TROUBLE CODE (DTC) (Flash DTC=83) RECEIVED RESPONSE WAS NOT CORRECT Circuit Description The ECM decides whether that is an abnomality in the immobilizer control system. DTC 83 is recorded by the ECM when received response was not correct. Condition for Setting the DTC • Received response was not correct. Action Taken When the DTC Sets • Flashing the MIL. Condition for Clearing the MIL/DTC • Use clear DTC information with Tech2. (Refer to the immobilizer workshop manual.) (ISUZU TF Immobilizer system) Diagnostic Aids Check for the following conditions: harness connectors for backed out terminals, improper mating, broken locks, improperly formed or damaged terminals, and poor terminal to wire connection. • Damaged harness-Inspect the wiring harness for damage, If the harness appears to be OK, disconnect the ECM and Immobilizer, turn the ignition "ON" and observe a voltmeter connected to the suspect driver circuit at the ECM and Immobilizer harnass connector while moving connectors and wiring harnesses relates to the MIL. A change in voltage will indicate the location of the fault. |