Engine Will Not Crank - DaimlerChrysler Jeep Grand Cherokee 2002 Service Manual

DRIVEABILITY - DIESEL
Symptom:

*ENGINE WILL NOT CRANK

BATTERY CABLE HIGH RESISTANCE
CHECKING FOR SKIM OR TCM CODES
ECM
INSPECT BATTERY CABLES
MECHANICAL PROBLEM
OPEN FUSED BATTERY (+) CIRCUIT
OPEN IGNITION SWITCH START CIRCUIT
OPEN IGNITION SWITCH START OUTPUT AT THE ECM
STARTER MOTOR
STARTER RELAY
STARTER RELAY CONTROL CIRCUIT OPEN
STARTER RELAY CONTROL CIRCUIT SHORTED TO VOLTAGE
STARTER RELAY OUTPUT CIRCUIT OPEN
VERIFY PARK/NEUTRAL SIGNAL
TEST
1 Turn the ignition off.
NOTE: The battery must be fully charged before diagnosing a no crank
condition.
Inspect the battery cables for corrosion, looseness or other problems.
Is there evidence of problems?
Yes → Repair as necessary.
→ Go To 2
No
2 Turn the ignition on.
With the DRBIII , read the SKIM and TCM DTCs.
Does the DRBIII display any SKIM or TCM DTCs?
Yes → Refer to symptom list for problems related to SKIM or TCM.
→ Go To 3
No
3 Turn the ignition on.
With the DRBIII
moving the gear selector between Park and reverse.
Does the P/N Switch state change when moving the gear selector?
Yes → Go To 4
→ Refer to symptom list for problems related to Park/Neutral Switch
No
POSSIBLE CAUSES
ACTION
Perform NO START VERIFICATION - VER-1.
Perform NO START VERIFICATION - VER-1.
in Engine, Inputs/Outputs, read the P/N Switch state while
Signal.
Perform NO START VERIFICATION - VER-1.
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APPLICABILITY
All
All
All