Dodge ZB 2005 Service Manual page 1289

DRIVEABILITY - GAS
P1495-LEAK DETECTION PUMP SOLENOID CIRCUIT —
TEST
3 Turn the ignition off.
Connect a 12-volt test light to a good 12-volt source.
Ignition on, engine not running.
With the DRBIII , actuate the Leak Detection Pump.
Probe the (K106) LDP Solenoid Control circuit with the test light while the Pump is
actuating.
Does the test light blink?
Yes → Go To 4
→ Go To 5
No
4 If there are no possible causes remaining, view repair.
Repair
5 Turn the ignition off.
Disconnect the PCM harness connectors.
Measure the resistance of the (K106) LDP Solenoid Control circuit from the PCM
harness connector to the LDP harness connector.
Is the resistance below 5.0 ohms?
Yes → Go To 6
→ Repair the open in the (K106) Leak Detection Pump Solenoid
No
6 Measure the resistance between ground and the (K106) LDP Solenoid Control circuit.
Is the resistance below 100 ohms?
Yes → Repair the short to ground in the (K106) LDP Solenoid Control
→ Go To 7
No
7 NOTE: Before continuing, check the PCM harness connector terminals for
corrosion, damage, or terminal push out. Repair as necessary.
Using the schematics as a guide, inspect the wire harness and connectors. Pay
particular attention to all Power and Ground circuits.
If there are no possible causes remaining, view repair.
Repair
ACTION
Replace the Leak Detection Pump.
Perform POWERTRAIN VERIFICATION TEST VER - 6.
Control circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 6.
circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 6.
Replace and program the Powertrain Control Module per Service
Information.
Perform POWERTRAIN VERIFICATION TEST VER - 6.
168
Continued
APPLICABILITY
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