DaimlerChrysler Jeep Grand Cherokee 2002, Service Manual

Page: 137 / 284

Symptom:
P0615-STARTER RELAY CIRCUIT SHORT CIRCUIT
When Monitored and Set Condition:
P0615-STARTER RELAY CIRCUIT SHORT CIRCUIT
When Monitored: With the ignition on.
Set Condition: The ECM detects excessive current on the Starter Relay Control circuit.
POSSIBLE CAUSES
INTERMITTENT CONDITION
SUBSTITUTE ECM/PCM RELAY
STARTER RELAY CONTROL CIRCUIT SHORTED TO VOLTAGE
ENGINE CONTROL MODULE
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRB, erase ECM DTCs.
Attempt to start the engine several times, pausing for at least 10 seconds between
each cycle.
Turn the ignition on.
With the DRB, read ECM DTCs.
Did this DTC set again? All
Yes
→
Go To 2
No
→
Go To 4
2 Turn the ignition off.
Install a substitute relay in place of the Starter Relay.
Attempt to start the engine several times, pausing for at least 10 seconds between
each cycle.
Turn the ignition on.
With the DRB, read ECM DTCs.
Did this DTC set again? All
Yes
→
Go To 3
No
→
Replace the Starter Relay.
Perform ROAD TEST VERIFICATION - VER-2.
129
DRIVEABILITY - DIESEL
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