Symptom List:
P1511-BATTERY SENSE LINE 1 VOLTAGE TOO HIGH
P1511-BATTERY SENSE LINE 1 VOLTAGE TOO LOW
P1512-BATTERY SENSE LINE 2 VOLTAGE TOO HIGH
P1512-BATTERY SENSE LINE 2 VOLTAGE TOO LOW
Test Note:
All symptoms listed above are diagnosed using the same tests.
The title for the tests will be P1511-BATTERY SENSE LINE 1
VOLTAGE TOO HIGH.
When Monitored and Set Condition:
P1511-BATTERY SENSE LINE 1 VOLTAGE TOO HIGH
When Monitored:
With the ignition on or the engine running.
Set Condition:
The ECM detects Battery Sense circuit voltage above 16.0 volts.
P1511-BATTERY SENSE LINE 1 VOLTAGE TOO LOW
When Monitored:
With the ignition on or the engine running.
Set Condition:
The ECM detects Battery Sense circuit voltage below 6.0 volts.
P1512-BATTERY SENSE LINE 2 VOLTAGE TOO HIGH
When Monitored:
With the ignition on or the engine running.
Set Condition:
The ECM detects Battery Sense circuit voltage above 2.0 volts.
P1512-BATTERY SENSE LINE 2 VOLTAGE TOO LOW
When Monitored:
With the ignition on or the engine running.
Set Condition:
The ECM detects Battery Sense circuit voltage below -2.0 volts.
POSSIBLE CAUSES
INTERMITTENT CONDITION
FUSE 26 OPEN
ECM GROUND CIRCUIT(S) OPEN
BATTERY(-) SENSE CIRCUIT SHORTED TO VOLTAGE
BATTERY(-) SENSE CIRCUIT OPEN
B) SENSE CIRCUIT SHORTED TO GROUND
B) SENSE CIRCUIT OPEN
ENGINE CONTROL MODULE
189
DRIVEABILITY - DIESEL
Summary of Contents for Jeep Grand Cherokee 2002
Page 8: ...NOTES viii ProCarManuals com...
Page 18: ...NOTES 10 ProCarManuals com...
Page 19: ...7 0 DIAGNOSTIC INFORMATION AND PROCEDURES 11 ProCarManuals com...
Page 262: ...NOTES 254 ProCarManuals com...
Page 265: ...C O M P O N E N T L O C A T I O N S 257 COMPONENT LOCATIONS ProCarManuals com...
Page 275: ...C O N N E C T O R P I N O U T S 267 CONNECTOR PINOUTS ProCarManuals com...
Page 280: ...NOTES 272 ProCarManuals com...
Page 282: ...NOTES 274 ProCarManuals com...
Page 283: ...11 0 CHARTS AND GRAPHS C H A R T S A N D G R A P H S 275 CHARTS AND GRAPHS ProCarManuals com...
Page 284: ...NOTES 276 ProCarManuals com...
