Test Procedure
WARNING: This page is about a different car, the 2004 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
Use the Flex Probe Kit for all test connections to prevent damage to the wiring terminals. Do not use standard multimeter probes.
- O1 - CHECK CONTINUOUS DTCS
- Enter the following diagnostic mode on the diagnostic tool: Instrument Cluster Continuous DTCs.
- Are DTCs B2328 or B2332 present?
- Yes
: If DTC B2328 was retrieved, Go To PINPOINT TEST M: DTC B2328: STEERING COLUMN REACH (TELESCOPIC) FEEDBACK POTENTIOMETER CIRCUIT FAILURE .
If DTC B2332 was retrieved, Go To PINPOINT TEST N: DTC B2332: STEERING COLUMN TILT FEEDBACK POTENTIOMETER CIRCUIT FAILURE .
- No : GO to O2.
- Yes
: If DTC B2328 was retrieved, Go To PINPOINT TEST M: DTC B2328: STEERING COLUMN REACH (TELESCOPIC) FEEDBACK POTENTIOMETER CIRCUIT FAILURE .
- O2 - CHECK THE INSTRUMENT CLUSTER PIDs
- Enter the following diagnostic mode on the diagnostic tool: Instrument Cluster Tilt PID and Telescope PID.
- Actuate the tilt/telescope switch to the tilt up, tilt down, telescope in, telescope out and neutral positions.
- Do the PIDs correspond correctly with all the switch positions?
- O3 - CHECK THE TILT/TELESCOPE SWITCH FOR CORRECT OPERATION
- Key in OFF position.
- Disconnect: Tilt/Telescope Switch C2250.
- Carry out the tilt/telescope switch component test.
Refer to SYSTEM WIRING DIAGRAMS for schematic and connector information.
- Is the tilt/telescope switch OK?
- Yes : GO to O4.
- No : INSTALL a new tilt/telescope switch. REFER to STEERING COLUMN SWITCHES . REPEAT the self-test. CLEAR the DTCs.
- O4 - CHECK CIRCUITS 8-AL10 (WH) AND 9-AL10 (BN) FOR A SHORT TO VOLTAGE
- Disconnect: Instrument Cluster C220c.
- Key in ON position.
- Measure the voltage between the tilt/telescope switch C2250-1, circuit 9-AL10 (BN), harness side and ground; and between the tilt/telescope switch C2250-2, circuit 8-AL10 (WH), harness side and ground.
- Is any voltage present?
- Yes : REPAIR the circuit in question. CLEAR the DTCs. REPEAT the self-test.
- No : GO to O5.
- O5 - CHECK CIRCUITS 8-AL10 (WH) AND 9-AL10 (BN) FOR A SHORT TO GROUND
- Key in OFF position.
- Measure the resistance between the tilt/telescope switch C2250-1, circuit 9-AL10 (BN), harness side and ground; and between the tilt/telescope switch C2250-2, circuit 8-AL10 (WH), harness side and ground.
- Are the resistances greater than 10,000 ohms?
- Yes : GO to O6.
- No : REPAIR the circuit in question. CLEAR the DTCs. REPEAT the self-test.
- O6 - CHECK CIRCUITS 8-AL10 (WH) AND 9-AL10 (BN) FOR AN OPEN
- Measure the resistance between the tilt/telescope switch C2250-1, circuit 9-AL10 (BN), harness side and the instrument cluster C220c-3 circuit 9-AL10 (BN), harness side; and between the tilt/telescope switch C2250-2, circuit 8-AL10 (WH), harness side and instrument cluster C220c-15 circuit 8-AL10 (WH), harness side.
- Are the resistances less than 5 ohms?
- Yes : GO to O7.
- No : REPAIR the circuit in question. CLEAR the DTCs. REPEAT the self-test.
- O7 - CHECK CIRCUIT 9-AL17 (BN/WH) FOR A SHORT TO VOLTAGE
- Key in ON position.
- Measure the voltage between the instrument cluster C220c-9, circuit 9-AL17 (BN/WH), harness side and ground.
- Is any voltage present?
- Yes : GO to O8.
- No : GO to O9.
- O8 - CHECK CIRCUIT 7-AL17 (YE/VT) FOR A SHORT TO VOLTAGE
- Key in OFF position.
- Disconnect: Steering Column Position Sensor C222.
- Key in ON position.
- Measure the voltage between the instrument cluster C220c-19, circuit 7-AL17 (YE/VT), harness side and ground.
- Is any voltage present?
- Yes : REPAIR circuit 7-AL17 (YE/VT). CLEAR the DTCs. REPEAT the self-test.
- No : REPAIR circuit 9-AL17 (BN/WH). CLEAR the DTCs. REPEAT the self-test.
- O9 - CHECK CIRCUIT 9-AL17 (BN/WH) FOR A SHORT TO GROUND OR AN OPEN
- Key in OFF position.
- Disconnect: Steering Column Position Sensor C222.
- Measure the resistance between the instrument cluster C220c-9, circuit 9-AL17 (BN/WH), harness side and the steering column position sensor C222-4, circuit 9-AL17 (BN/WH), harness side; and between the instrument cluster C220c-9, circuit 9-AL17 (BN/WH), harness side and ground.
- Is the resistance less than 5 ohms between the instrument cluster and the steering column position sensor and greater than 10,000 ohms between the instrument cluster and ground?
- Yes : GO to O10.
- No : REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test.
- O10 - CHECK FOR MOTOR MOTION SENSED
- Connect: Instrument Cluster C220c.
- Connect: Steering Column Position Sensor C222.
- Key in ON position.
- Enter the following diagnostic mode on the diagnostic tool: Instrument Cluster Steering Column Control Active Command.
- Enter the following diagnostic mode on the diagnostic tool: Instrument Cluster Telescope Position PID and Tilt Position PID.
- Trigger tilt UP, tilt DOWN, telescope IN and telescope OUT on, one at a time while monitoring the telescope position PID and the tilt position PID.
- Do the telescope position and tilt position PIDs read SENSED when the corresponding motors are triggered on?
- Yes : INSPECT the steering column position sensor and the instrument cluster connectors for loose or intermittent connections. CLEAR the DTCs. REPEAT the self-test.
- No : GO to O11.
NOTE: This active command will only power the motors for one second. - O11 - ISOLATE THE STEERING COLUMN POSITION SENSOR
- Connect: Instrument Cluster C220c.
- Key in ON position.
- Enter the following diagnostic mode on the diagnostic tool: Instrument Cluster Steering Column Control Active Command.
- Enter the following diagnostic mode on the diagnostic tool: Trigger Telescope IN On.
- Measure the voltage between the steering column position sensor C222-2, circuit 7-AL17 (YE/VT), harness side and ground during the active command.
- Is the voltage greater than 10 volts?
- Yes : INSTALL a new steering column position sensor. CLEAR the DTCs. REPEAT the self-test.
- No : GO to O12.
- O12 - CHECK CIRCUIT 7-AL17 (YE/VT) FOR A SHORT TO GROUND OR AN OPEN
- Key in OFF position.
- Disconnect: Instrument Cluster C220c.
- Measure the resistance between the instrument cluster C220c-19, circuit 7-AL17 (YE/VT), harness side and the steering column position sensor C222-2, circuit 7-AL17 (YE/VT), harness side; and between the instrument cluster C220c-19, circuit 7-AL17 (YE/VT), harness side and ground.
- Is the resistance greater than 10,000 ohms between the instrument cluster and ground and less than 5 ohms between the instrument cluster and the steering column position sensor?
- Yes : GO to O13.
- No : REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test.
- O13 - 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 INFORMATION, GAUGES & WARNING DEVICES . CLEAR the DTCs. REPEAT the self-test.
- No : The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the self-test.