DPMS (Door Multiplex Control Unit) Input Test
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Turn the ignition switch to LOCK (0).
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NOTE: Be careful not to scratch the door trim.
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Disconnect the 37P connector (A) from the power window master switch (B).
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Inspect the connector and socket terminals to be sure they are all making good contact.
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With the connector still disconnected, make these input tests at the connector.
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Cavity
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Wire
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Test condition
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Test: Desired result
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Possible cause if desired result is not obtained
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13
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WHT
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Under all conditions
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Measure the voltage to ground: There should be battery voltage.
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14
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LT GRN
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Ignition switch ON (II)
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Measure the voltage to ground: There should be battery voltage.
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25
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WHT [GRN]
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Under all conditions
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Measure the voltage to ground: There should be battery voltage.
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32
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BLK
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Under all conditions
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Check for continuity to ground: There should be continuity.
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Poor ground (G501)
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An open in the wire
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37
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BLK
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Under all conditions
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Check for continuity to ground: There should be continuity.
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Poor ground (G502)
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An open in the wire
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33
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BLU
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Under all conditions(disconnect power seat control unit connector A (40P))
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Check for continuity between the No. 33 terminal and power seat control unit connector A (40P) No. 39 terminal:There should be continuity.
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An open in the wire
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35
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PNK [BLK]
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Under all conditions(disconnect power seat control unit connector A (40P))
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Check for continuity between the No. 35 terminal and power seat control unit connector A (40P) No. 40 terminal:There should be continuity.
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An open in the wire
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4
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GRN
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Ignition switch ON (II)
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Connect the No. 14 and No. 4 terminals:The driving position memory switch indicator 2 should come on.
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6
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PUR
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Ignition switch ON (II)
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Connect the No. 14 and No. 6 terminals:The driving position memory switch indicator 1 should come on.
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26
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PNK
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Ignition switch ON (II)
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Connect the No. 14 and No. 26 terminals:The driving position memory switch lights should come on.
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Reconnect the connector to the power window master switch, and make these input tests at the connector.
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If any test indicates a problem, find and correct the cause, then recheck the system.
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If all the input tests prove OK, the door multiplex control unit must be faulty; replace the power window master switch.
NOTE: After replacing the power window master switch, reset the power window control unit.
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Cavity
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Wire
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Test condition
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Test: Desired result
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Possible cause if desired result is not obtained
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16
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RED
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Ignition switch ON (II), position 2 switch pressed
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Measure the voltage to ground: There should be less than 1 V.
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Ignition switch ON (II), position 2 switch released
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Measure the voltage to ground: There should be about 5 V.
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17
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GRY
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Ignition switch ON (II), position 1 switch pressed
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Measure the voltage to ground: There should be less than 1 V.
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Ignition switch ON (II), position 1 switch released
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Measure the voltage to ground: There should be about 5 V.
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19
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YEL
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Ignition switch ON (II), SET switch pressed
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Measure the voltage to ground: There should be less than 1 V.
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Ignition switch ON (II), SET switch released
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Measure the voltage to ground: There should be about 5 V.
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