B219A

B219A - Ignition Unlock Run/Start Control Circuit Overcurrent






For a complete wiring diagram, refer to.

• When Monitored: With the ignition on.

• Set Condition: Over current condition detected on the (F1) Fused Ignition Switch Output (Off-Run-Start) circuit.






Test Step 1 - CHECK FOR ACTIVE DIAGNOSTIC TROUBLE CODE (DTC)

• Turn the ignition on.

• Using the scan tool, read the active DTCs.

Does the scan tool display this DTC as active?

Yes

• Go to Test Step 2

No

• If the DTC is stored, check for an intermittent condition. Using the wiring diagram/schematic as a guide, visually inspect the related wiring harness connectors. Look for broken, bent, pushed out or corroded terminals.

• Perform the Body Verification Test. Refer to => Non-DTC Based Diagnostics. Body Interior

Test Step 2 - INSPECT THE TIPM AND PCM TERMINALS AND WIRE HARNESSES FOR A CONDITION CAUSING HIGH CIRCUIT RESISTANCE

• Turn the ignition off.

• Disconnect the TIPM C1 harness connector.

• Disconnect the PCM C1 harness connector.

• Inspect the connector terminals for signs of corrosion build up and damage.

• Visually inspect the wiring harness for any chafed, pierced, pinched or partially broken wires hidden in the wire insulation.

Were any of the above conditions found?

Yes

• Repair as necessary.

• Perform the Body Verification Test. Refer to => Non-DTC Based Diagnostics. Body Interior

No

• Replace the TIPM in accordance with the Service Information.

• Perform the Body Verification Test. Refer to => Non-DTC Based Diagnostics. Body Interior