Diagnostic Test
- CHECK FOR AN ACTIVE DIAGNOSTIC TROUBLE CODE (DTC)
- Turn the ignition on.
- With the scan tool, read DTCs.
Does the scan tool display this DTC as active?
Yes
- Go To 2
No
- Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the appropriate SYSTEM WIRING DIAGRAMS as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
- VERIFY OPERATION OF THE VEHICLE CHARGING SYSTEM NOTE:
Troubleshoot any PCM charging/cranking DTCs before proceeding.
NOTE:Make sure the battery is fully charged.
Are any charging system DTCs present?
Yes
- Refer to DTC INDEX and perform the appropriate diagnostic procedure.
No
- Go To 3
- CHECK THE (F923) RUN RELAY CONTROL CIRCUIT FOR EXCESSIVE RESISTANCE
- Turn the ignition off.
- Disconnect the Right Blind Spot Sensor harness connector.
- Turn the ignition on.
- Measure the voltage of the (F923) Run Relay Control circuit.
Is the voltage below 9.5 volts?
Yes
- Repair the (F923) Run Relay Control circuit for excessive resistance.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
No
- Go To 4
- CHECK THE (Z924) GROUND CIRCUITS FOR EXCESSIVE RESISTANCE
- Measure the resistance between ground and the (Z924) Ground circuits.
Is the resistance above 10.0 Ohms?
Yes
- Repair the appropriate (Z924) Ground circuit for excessive resistance.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
No
- Replace the Blind Spot Sensor in accordance with the Service Information. Refer to SENSOR, BLIND SPOT, REMOVAL AND INSTALLATION .
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
- Measure the resistance between ground and the (Z924) Ground circuits.