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TEST
ACTION
APPLICABILITY
9
Turn the ignition off.
Replace the Cylinder Fuel Injector in accordance with the Service Information.
With the DRBIII
t
, erase the ECM DTCs.
Test drive the vehicle.
With the DRBIII
t
, read the ECM DTCs.
Does the DRBIII
t
display this DTC?
All
Yes
→
Replace and program the Engine Control Module in accordance
with the Service Information.
Perform ROAD TEST VERIFICATION - VER-2.
No
→
The repair is complete.
Perform ROAD TEST VERIFICATION - VER-2.
10
WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
NOTE: The conditions that set the DTC are not present at this time. The
following list may help in identifying the intermittent condition.
With the engine running at normal operating temperature, monitor the DRB
parameters related to the DTC while wiggling the wiring harness. Look for param-
eter values to change and/or a DTC to set.
Review the DTC When Monitored and Set Conditions. If possible, try to duplicate the
conditions under which the DTC was set.
Refer to any Technical Service Bulletins (TSB) that may apply.
Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or
partially broken wires.
Visually inspect the related wiring harness connectors. Look for broken, bent, pushed
out, or corroded terminals.
Were any of the above conditions present?
All
Yes
→
Repair as necessary.
Perform ROAD TEST VERIFICATION - VER-2.
No
→
Test Complete.
52
DRIVEABILITY - DIESEL
P0201-CYLINDER 1-INJECTOR CIRCUIT CURRENT DECREASE —
Continued
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...