Pinpoint Test R: The RH Turn Indicator Is Never On
WARNING: This page is about a different car, the 2005 Mercury Mountaineer and 2005 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
- R1 VERIFY THE RH TURN SIGNAL OPERATION
- Verify the RH turn signal operation.
- Does the RH turn signal operate correctly?
- Yes : GO to R2.
- No : REFER to EXTERIOR LIGHTING to continue diagnosis of the turn signals.
- R2 CHECK CIRCUIT 1392 (LG/OG) FOR POWER
- Disconnect: Instrument Cluster C220a.
- Key in ON position.
- Place the multifunction switch in the RH turn signal position.
- Measure the voltage between the instrument cluster C220a-16, circuit 1392 (LG/OG), harness side and ground.
- Does the voltage fluctuate between 0 and greater than 10 volts?
- Yes : GO to R3.
- No : REPAIR the circuit. TEST the system for normal operation.
- R3 CHECK CIRCUIT 1205 (BK) FOR AN OPEN
- Key in OFF position.
- Disconnect: Instrument Cluster C220a.
- Measure the resistance between the instrument cluster C220b-11, circuit 1205 (BK), harness side and ground.
- Is the resistance less than 5 ohms?
- Yes : GO to R4.
- No : REPAIR the circuit. TEST the system for normal operation.
- R4 CHECK FOR CORRECT INSTRUMENT CLUSTER OPERATION
- Disconnect all the instrument cluster connectors.
- Check for:
- corrosion
- pushed-out pins
- Connect all the instrument cluster connectors and make sure they seat correctly.
- Operate the system and verify the concern is still present.
- Is the concern still present?
- Yes : INSTALL a new instrument cluster. REFER to INSTRUMENT CLUSTER . TEST the system for normal operation.
- No : The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.