DaimlerChrysler Jeep Grand Cherokee 2002 Service Manual page 34

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DRIVEABILITY - DIESEL
Symptom List:
P0105-BAROMETRIC PRESSURE CIRCUIT SIGNAL VOLTAGE TOO
HIGH
P0105-BAROMETRIC PRESSURE CIRCUIT SIGNAL VOLTAGE TOO
LOW
P0606-ECM ERROR GATE ARRAY - COMMUNICATION
P0606-ECM ERROR GATE ARRAY - COMMUNICATION NOT VERI-
FIED
P0606-ECM ERROR GATE ARRAY - QUANTITY STOP
P0606-ECM ERROR RECOVERY HAS OCCURRED
P0606-ECM ERROR REDUNDANT OVERRUN MONITORING
P1206-CALCULATED INJECTOR VOLTAGE TOO HIGH
P1206-CALCULATED INJECTOR VOLTAGE TOO LOW
P1601-CAPACITOR VOLTAGE 1 VOLTAGE TOO HIGH
P1601-CAPACITOR VOLTAGE 1 VOLTAGE TOO LOW
P1606-AFTER RUN SHUT OFF ERROR-INJECTION POWERSTAGE
P1606-AFTER RUN SHUT OFF ERROR-ZERO QUANTITY
P1608-A/D CONVERTER ERROR APP SENSOR GROUND FAILURE
P1608-A/D CONVERTER ERROR INTERNAL FAILURE
P1608-A/D CONVERTER ERROR VOLTAGE FAILURE
P1610-VOLTAGE REGULATOR SIGNAL VOLTAGE TOO HIGH
P1610-VOLTAGE REGULATOR SIGNAL VOLTAGE TOO LOW
P1680-EEPROM PLAUSIBILITY CHECKSUM ERROR
P1680-EEPROM PLAUSIBILITY CODE WORD INCORRECT OR
MISSING
P1680-EEPROM PLAUSIBILITY COMMUNICATION ERROR
P1680-EEPROM PLAUSIBILITY VARIATION NUMBER ERROR
P1680-EEPROM PLAUSIBILITY VIN CHECKSUM ERROR
P1680-EEPROM PLAUSIBILITY WRITE ERROR
P1685-SKIM SYSTEM INVALID SECRET KEY IN EEPROM
P1685-SKIM SYSTEM WRITE ACCESS TO EEPROM FAILURE
Test Note: All symptoms listed above are diagnosed using the same tests.
The title for the tests will be P0105-BAROMETRIC PRES-
SURE CIRCUIT SIGNAL VOLTAGE TOO HIGH.
When Monitored and Set Condition:
P0105-BAROMETRIC PRESSURE CIRCUIT SIGNAL VOLTAGE TOO HIGH
When Monitored: With the ignition on.
Set Condition: The Barometric Pressure Sensor Signal is above 4.86 volts.
26

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