DETERMINING SHORT TO POWER SUPPLY LOCATION (MS-CAN) [L.H.D.]
id100225001000
System Wiring Diagram
ac8wzw00003910
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Determination Procedure
Step |
Inspection |
Action |
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1
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INSPECT FOR SHORT TO POWER SUPPLY BETWEEN CONNECTOR INSTRUMENT CLUSTER AND REAR BODY CONTROL MODULE (RBCM)
• Disconnect the negative battery terminal.
• Disconnect the rear body control module (RBCM).
• Connect the negative battery terminal.
• Switch the ignition ON (engine off).
• Measure the voltage at DLC-2 terminals L and K.
• Is the voltage between 1.5 — 3.5 V?
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Yes
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Go to the next step.
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No
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Go to Step 4.
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2
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INSPECT FOR SHORT TO POWER SUPPLY BETWEEN BLIND SPOT MONITORING (BSM) CONTROL MODULE (LH) AND REAR BODY CONTROL MODULE (RBCM)
• Measure the voltage at blind spot monitoring (BSM) control module (LH) terminals C and D.
• Is the voltage between 1.5 — 3.5 V?
|
Yes
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Replace the rear body control module (RBCM) because there is a short to the power supply in the rear body control module (RBCM).
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No
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Go to Step 4.
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3
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INSPECT FOR SHORT TO POWER SUPPLY BETWEEN BLIND SPOT MONITORING (BSM) CONTROL MODULE (LH) AND CONNECTOR C-16
• Switch the ignition off (LOCK).
• Disconnect the negative battery terminal.
• Disconnect the instrument cluster connector.
• Connect connector C-16.
• Connect the negative battery terminal.
• Switch the ignition ON (engine off).
• Measure the voltage at blind spot monitoring (BSM) control module (LH) terminals C and D.
• Is the voltage between 1.5 — 3.5 V?
|
Yes
|
Repair or replace the wiring harness between the rear body control module (RBCM) and connector C-16 because the wiring harness is shorted to the power supply.
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No
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Go to the next step.
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4
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INSPECT BLIND SPOT MONITORING (BSM) CONTROL MODULE (LH) FOR SHORT TO POWER SUPPLY
• Measure the voltage at blind spot monitoring (BSM) control module (LH) terminals C and D.
• Is the voltage between 1.5 — 3.5 V?
|
Yes
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Replace the blind spot monitoring (BSM) control module (LH) because there is a short to power supply in the blind spot monitoring (BSM) control module (LH).
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No
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Repair or replace the wiring harness between the blind spot monitoring (BSM) control module (LH) and connector C-16 because the wiring harness is shorted to power supply.
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5
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INSPECT FOR SHORT TO POWER SUPPLY BETWEEN CONNECTOR C-45 AND INSTRUMENT CLUSTER
• Disconnect the negative battery terminal.
• Disconnect connector C-45
• Connect the negative battery terminal.
• Switch the ignition ON (engine off).
• Measure the voltage at DLC-2 terminals L and K.
• Is the voltage between 1.5 — 3.5 V?
|
Yes
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With 360° view monitor control module
• Go to Step 15.
Without 360° view monitor control module
• Repair or replace the wiring harness between the rear body control module (RBCM) and connector C-45 because the wiring harness is shorted to power supply.
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No
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Go to the next step.
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6
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INSPECT FOR SHORT TO POWER SUPPLY BETWEEN CONNECTOR C-14 AND INSTRUMENT CLUSTER
• Disconnect the negative battery terminal.
• Disconnect connector C-14
• Connect the negative battery terminal.
• Switch the ignition ON (engine off).
• Measure the voltage at DLC-2 terminals L and K.
• Is the voltage between 1.5 — 3.5 V?
|
Yes
|
Repair or replace the wiring harness between connector C-14 and connector C-45 because the wiring harness is shorted to power supply.
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No
|
Go to the next step.
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7
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INSPECT FOR SHORT TO POWER SUPPLY BETWEEN CONNECTOR C-63 AND INSTRUMENT CLUSTER
• Disconnect the negative battery terminal.
• Disconnect connector C-63
• Connect the negative battery terminal.
• Switch the ignition ON (engine off).
• Measure the voltage at DLC-2 terminals L and K.
• Is the voltage between 1.5 — 3.5 V?
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Yes
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Go to the next step.
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No
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Repair or replace the wiring harness between connector C-63 and DLC-2 because the wiring harness is shorted to power supply.
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8
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INSPECT FOR SHORT TO POWER SUPPLY BETWEEN CONNECTOR C-14 AND CONNECTOR C-63
• Switch the ignition off (LOCK).
• Disconnect the negative battery terminal.
• Disconnect the connector C-14.
• Connect connector C-63.
• Connect the negative battery terminal.
• Switch the ignition ON (engine off).
• Measure the voltage at rear body control module (RBCM) terminals 3E and 3G.
• Is the voltage between 1.5 — 3.5 V?
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Yes
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Go to the next step.
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No
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Repair or replace the wiring harness between connector C-14 and connector C-63 because the wiring harness is shorted to power supply.
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9
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INSPECT FOR SHORT TO POWER SUPPLY BETWEEN CONNECTOR C-63 AND CONNECTOR C-64
• Switch the ignition off (LOCK).
• Disconnect the negative battery terminal.
• Disconnect the connector C-63.
• Connect connector C-64.
• Connect the negative battery terminal.
• Switch the ignition ON (engine off).
• Measure the voltage at DLC-2 terminals L and K.
• Is the voltage between 1.5 — 3.5 V?
|
Yes
|
Go to the next step.
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No
|
Repair or replace the wiring harness between connector C-63 and connector C-64 because the wiring harness is shorted to power supply.
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10
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INSPECT FOR SHORT TO POWER SUPPLY BETWEEN CONNECTOR C-63 AND FRONT CLIMATE CONTROL UNIT
• Measure the voltage at front climate control unit terminals 1K and 1M.
• Is the voltage between 1.5 — 3.5 V?
|
Yes
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Go to Step 12.
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No
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Go to the next step.
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11
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INSPECT FRONT CLIMATE CONTROL UNIT FOR SHORT TO POWER SUPPLY
• Switch the ignition off (LOCK).
• Disconnect the negative battery terminal.
• Disconnect the front climate control unit connector.
• Connect connector C-64.
• Connect the negative battery terminal.
• Switch the ignition ON (engine off).
• Measure the voltage at DLC-2 terminals L and K.
• Is the voltage between 1.5 — 3.5 V?
|
Yes
|
Replace the front climate control unit because there is a short to power supply in the front climate control unit.
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No
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Repair or replace the wiring harness between the front climate control unit and connector C-64 because the wiring harness is shorted to power supply.
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12
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INSPECT FOR SHORT TO POWER SUPPLY BETWEEN CONNECTOR C-64 AND PARKING ASSIST UNIT
• Measure the voltage at parking assist unit terminals AA and AB.
• Is the voltage between 1.5 — 3.5 V?
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Yes
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Go to Step 14.
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No
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Go to the next step.
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13
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INSPECT PARKING ASSIST UNIT FOR SHORT TO POWER SUPPLY
• Switch the ignition off (LOCK).
• Disconnect the negative battery terminal.
• Connect connector C-64.
• Disconnect the rear body control module (RBCM) connector.
• Connect the negative battery terminal.
• Switch the ignition ON (engine off).
• Measure the voltage at parking assist unit terminals AA and AB.
• Is the voltage between 1.5 — 3.5 V?
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Yes
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Replace the parking assist unit because there is a short to power supply in the parking assist unit.
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No
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Repair or replace the wiring harness between the parking assist unit and connector C-64 because the wiring harness is shorted to power supply.
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14
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INSPECT INSTRUMENT CLUSTER FOR SHORT TO POWER SUPPLY
• Switch the ignition off (LOCK).
• Disconnect the negative battery terminal.
• Disconnect the instrument cluster connector.
• Connect connector C-64.
• Connect the negative battery terminal.
• Switch the ignition ON (engine off).
• Measure the voltage at DLC-2 terminals L and K.
• Is the voltage between 1.5 — 3.5 V?
|
Yes
|
Replace the instrument cluster because there is a short to power supply in the instrument cluster.
|
No
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Repair or replace the wiring harness between the instrument cluster and connector C-64 because the wiring harness is shorted to power supply.
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15
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INSPECT FOR SHORT TO POWER SUPPLY BETWEEN CONNECTOR C-45 AND 360° VIEW MONITOR CONTROL MODULE
• Measure the voltage at 360° view monitor control module terminals AE and AF.
• Is the voltage between 1.5 — 3.5 V?
|
Yes
|
Repair or replace the wiring harness between the rear body control module (RBCM) and connector C-45 because the wiring harness is shorted to power supply.
|
No
|
Go to the next step.
|
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16
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INSPECT 360° VIEW MONITOR CONTROL MODULE FOR SHORT TO POWER SUPPLY
• Switch the ignition off (LOCK).
• Disconnect the negative battery terminal.
• Disconnect the 360° view monitor control module connector.
• Connect connector C-45.
• Connect the negative battery terminal.
• Switch the ignition ON (engine off).
• Measure the voltage at DLC-2 terminals L and K.
• Is the voltage between 1.5 — 3.5 V?
|
Yes
|
Replace the 360° view monitor control module because there is a short to power supply in the 360° view monitor control module.
|
No
|
Repair or replace the wiring harness between the 360° view monitor control module and connector C-45 because the wiring harness is shorted to power supply.
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