Chrysler PT Cruiser 2001 Service Manual Supplement page 2685

*ENGINE CRANKS DOES NOT START —
TEST
8 Note: The fuel pressure must be within specification before continuing.
Turn the ignition off.
Warning: The fuel system is under a constant pressure (even with the engine
off). Before testing or servicing any fuel system hose, fitting or line, the fuel
system pressure must be released.
Disconnect the fuel supply line at the fuel rail.
Connect fuel line adapter #6539(5/16 ) or #6631(3/8 ) to the disconnected fuel supply
line. Insert the other end of the adapter into a graduated container.
Caution: Do not operate the fuel pump for more than 7 seconds in the next
step. Fuel pump module reservoir may run empty and damage to the fuel
pump will result.
Note: Specification: A good fuel pump will deliver at least 1/4 liter (1/2 pint)
of fuel in 7 seconds.
Turn the ignition on.
With the DRB, actuate the ASD Fuel System test for 7 seconds.
Is the fuel pump capacity within specification?
Yes → Test Complete.
→ Check for a kinked/damaged fuel supply line between the fuel
No
Caution: Stop All Actuations.
9 Turn the ignition off.
Disconnect the fuel pump module harness connector.
Note: Check connectors - It is critical that the connector is free from any
signs of corrosion or deformities - Clean/repair as necessary.
Using a test light connected to battery voltage, probe the fuel pump ground circuit at
the fuel pump module harness connector.
Does the test light illuminate brightly?
Yes → Go To 10
→ Repair the open/high resistance in the fuel pump ground circuit.
No
10 Turn the ignition off.
Disconnect the fuel pump module harness connector.
Note: Check connectors - It is critical that the connector is free from any
signs of corrosion or deformities - Clean/repair as necessary.
Turn the ignition on.
With the DRBIII , actuate the ASD Fuel System test.
Using a 12 volt test light connected to ground, probe the fuel pump relay output
circuit at the fuel pump module harness connector.
Does the test light illuminate brightly?
Yes → Go To 11
→ Go To 12
No
Caution: Stop All Actuations.
11 If there are no possible causes remaining, view repair.
Repair
ACTION
tank and fuel rail. If OK, replace the fuel pump module.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
Replace the Fuel Pump Module.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
Continued
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APPLICABILITY
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