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Home >> Acura >> 2007 >> MDX V6-3.7L >> Repair and Diagnosis >> A L L Diagnostic Trouble Codes ( DTC ) >> Testing and Inspection >> Manufacturer Code Charts >> DTC 2-3

DTC 2-3

DTC 2-1: Right-front Suspension Stroke Sensor Circuit High Voltage

DTC 2-3: Right-rear Suspension Stroke Sensor Circuit High Voltage

1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS.
3. Turn the ignition switch OFF.
4. Start the engine, and wait 5 seconds.
5. Check for DTCs with the HDS.

Is DTC 2-1, or 2-3 indicated?

YES - Go to step 6.

NO - Intermittent failure at this time. Check for poor or loose connections between the suspension stroke sensor and the active damper control unit.

6. Turn the ignition switch OFF.
7. Disconnect active damper control unit connector A (20P).
8. Turn the ignition switch ON (II).
9. Measure voltage between body ground and the appropriate active damper control unit connector A (20P) terminal (see table).





Is there more than 0.5 V?

YES - Repair short to power in the wire between the appropriate suspension stroke sensor and the active damper control unit.

NO - Go to step 10.

10. Turn the ignition switch OFF.
11. Reconnect active damper control unit connector A (20P).
12. Remove the appropriate suspension stroke sensor. Do not disconnect the sensor connector.





13. Start the engine, and wait 5 seconds.
14. Check the SUS STROKE_S VOLTAGE (RF) or (RR) in the ACTIVE DAMPER SYSTEM DATA LIST with the HDS while moving the suspension stroke sensor arm through a complete stroke. Compare the voltage/rotation angle between the chart and the measurements.

NOTE: The voltage should increase (decrease) within 90 degrees of the sensor arm rotation from the first voltage change point.





Is the voltage as specified?

YES - Substitute a known-good active damper control unit and retest. If the DTC goes away, replace the original active damper control unit.

NO - Go to step 15.

15. Turn the ignition switch OFF.
16. Disconnect the appropriate suspension stroke sensor 3P connector.





17. Check for continuity between the appropriate suspension stroke sensor 3P connector terminals No. 1 and No. 2.





Is there continuity?

YES - Repair short in the wires between the appropriate suspension stroke sensor and the active damper control unit.

NO - Go to step 18.

18. Check for continuity between active damper control unit connector B (14P) terminal No. 11 and appropriate suspension stroke sensor 3P connector terminal No. 3 (see table).





Is there continuity?

YES - Replace the appropriate suspension stroke sensor.

NO - Repair open in the wire between the appropriate suspension stroke sensor and the active damper control unit.