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Home >> Nissan-Datsun >> 2012 >> Cube Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 134 (Driver Position Memory System (DPMS)) >> Power Tilt/Telescopic Steering Control Unit Input Test
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Power Tilt/Telescopic Steering Control Unit Input Test

WARNING: This page is about a different car, the 2013 Acura MDX, 2012 Acura MDX, 2011 Acura MDX, and 2010 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Before troubleshooting the DPMS, troubleshoot the multiplex integrated control system first using B-CAN System Diagnosis Test Mode A (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A ).
  1. Turn the ignition switch to LOCK (0).
  2. Remove the steering column cover (see COLUMN COVER REMOVAL/INSTALLATION ).
  3. Disconnect 16P connector (A) and 8P connector (B) from the power tilt/telescopic steering control unit (C).
    Fig 1: Identifying 16P Connector And 8P Connector Terminals
    G08053974Courtesy of AMERICAN HONDA MOTOR CO., INC.
  4. Inspect the connector and socket terminals to be sure they are all making good contact.
    • If the terminals are bent, loose, or corroded, repair them as necessary, and recheck the system.
    • If the terminals look OK, go to step 5.
  5. Reconnect the connectors to the power tilt/telescopic steering control unit, and do the following input tests:
    • If any test indicates a problem, find and correct the cause, then recheck the system.
    • If all the input tests prove OK, the control unit must be faulty; replace it.
Cavity Wire Test condition Test: Desired result Possible cause if desired result is not obtained
A8 BLK In all ignition switch positions Measure the voltage to ground: There should be less than 0.2 V.
  • Poor ground (G503, G506) or an open in the ground wire
  • An open or high resistance in the wire
B1
A1 WHT Under all conditions Measure the voltage to ground: There should be battery voltage.
  • Blown No. 4 (40 A) fuse in the main under-hood fuse box
  • Blown No. 7 (10 A) fuse in the under-dash fuse/relay box
  • Faulty main under-hood fuse box
  • Faulty under-dash fuse/relay box
  • An open or high resistance in the wire
A9 YEL Ignition switch ON (II) Measure the voltage to ground: There should be battery voltage.
  • Blown No. 21 (7.5 A) fuse in the under-dash fuse/relay box
  • Faulty under-dash fuse/relay box
  • An open or high resistance in the wire
B3 WHT Under all conditions Measure the voltage to ground: There should be battery voltage.
  • Blown No. 3 (P/W) (50 A) fuse in the main under-hood fuse box
  • Blown No. 28 (20 A) fuse in the under-dash fuse/relay box
  • Faulty main under-hood fuse box
  • Faulty under-dash fuse/relay box
  • An open or high resistance in the wire
B5 GRN Under all conditions Measure the voltage to ground: There should be battery voltage.
  • Blown No. 2 (OP2) (40 A) fuse in the main under-hood fuse box
  • Blown No. 15 (20 A) fuse in the under-dash fuse/relay box
  • Faulty main under-hood fuse box
  • Faulty under-dash fuse/relay box
  • An open or high resistance in the wire
A6
.
A15		 GRN
.
BRN		 TELESCOPIC switch in RETRACT Measure the voltage between the terminals: There should be less than 0.2 V.
  • Faulty power tilt/telescopic steering switch
  • An open or high resistance in the wire
A10
.
A14		 LT BLU
.
PUR		 TELESCOPIC switch in RETRACT Measure the voltage between the terminals: There should be less than 0.2 V.
  • Faulty power tilt/telescopic steering switch
  • An open or high resistance in the wire
A14
.
A15		 PUR
.
BRN		 TELESCOPIC switch in EXTEND Measure the voltage between the terminals: There should be less than 0.2 V.
  • Faulty power tilt/telescopic steering switch
  • An open or high resistance in the wire
A6
.
A10		 GRN
.
LT BLU		 TELESCOPIC switch in EXTEND Measure the voltage between the terminals: There should be less than 0.2 V.
  • Faulty power tilt/telescopic steering switch
  • An open or high resistance in the wire
A7
.
A15		 GRN
.
BRN		 TILT switch in UP position Measure the voltage between the terminals: There should be less than 0.2 V.
  • Faulty power tilt/telescopic steering switch
  • An open or high resistance in the wire
A6
.
A10		 GRN
.
LT BLU		 TILT switch in UP position Measure the voltage between the terminals: There should be less than 0.2 V.
  • Faulty power tilt/telescopic steering switch
  • An open or high resistance in the wire
A7
.
A10		 GRN
.
LT BLU		 TILT switch in DOWN position Measure the voltage between the terminals: There should be less than 0.2 V.
  • Faulty power tilt/telescopic steering switch
  • An open or high resistance in the wire
A6
.
A15		 GRN
.
BRN		 TILT switch in DOWN position Measure the voltage between the terminals: There should be less than 0.2 V.
  • Faulty power tilt/telescopic steering switch
  • An open or high resistance in the wire
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