DTC U3003:16 [REAR VEHICLE MONITORING SYSTEM]
id0902z2888800
DESCRIPTION |
Rear vehicle monitoring control module (RH) power supply circuit malfunction |
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DETECTION CONDITION
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• Rear vehicle monitoring control module (RH) power supply circuit voltage is below 9 V.
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POSSIBLE CAUSE
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• PCM DTC is stored (charging system malfunction)
• Battery malfunction
• Generator malfunction
• Rear vehicle monitoring control module (RH) connector or terminals malfunction
• Short to ground or open circuit in rear vehicle monitoring control module (RH) power supply circuit
• Rear vehicle monitoring control module (RH) malfunction
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Diagnostic Procedure
STEP |
INSPECTION |
ACTION |
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1
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CONFIRM PCM DTC
• Switch the ignition to off.
• Connect the M-MDS to the DLC-2.
• Perform the DTC Reading Procedure.
• Are any DTCs present?
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Yes
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Go to the applicable DTC inspection.
(See DTC TABLE [ZY, Z6].)
(See DTC TABLE [LF, L5].)
(See DTC TABLE [MZR-CD 2.2].)
(See DTC TABLE [L3 Turbo].)
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No
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Go to the next step.
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2
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INSPECT BATTERY CONDITION
• Inspect the battery.
(See BATTERY INSPECTION [ZY, Z6].)
(See BATTERY INSPECTION [LF, L5].)
• Is there any malfunction?
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Yes
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Recharge or replace the battery, then go to Step 6.
(See BATTERY RECHARGING [ZY, Z6].)
(See BATTERY RECHARGING [LF, L5].)
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No
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Go to the next step.
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3
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INSPECT GENERATOR
• Inspect the generator.
• Is there any malfunction?
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Yes
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Replace the generator, then go to Step 6.
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No
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Go to the next step.
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4
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INSPECT REAR VEHICLE MONITORING CONTROL MODULE (RH) CONNECTOR CONDITION
• Switch the ignition to off.
• Disconnect the negative battery cable.
• Disconnect the rear vehicle monitoring control module (RH) connector.
• Inspect the connectors and terminals (corrosion, damage, pin disconnection).
• Is there any malfunction?
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Yes
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Repair or replace the connector or terminals, then go to Step 6.
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No
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Go to the next step.
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5
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INSPECT REAR VEHICLE MONITORING CONTROL MODULE (RH) POWER SUPPLY CIRCUIT FOR SHORT TO GROUND OR OPEN CIRCUIT
• Rear vehicle monitoring control module (RH) connector is disconnected.
• Reconnect the negative battery cable.
• Switch the ignition to ON.
• Measure the voltage at rear vehicle monitoring control module (RH) terminal F (wiring harness-side):
• Is the voltage B+?
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Yes
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Go to the next step.
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No
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Inspect the METER 15 A fuse.
• If the fuse is melt:
• If the fuse is deterioration:
• If the fuse is normal:
Go to the next step.
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6
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VERIFY TROUBLESHOOTING COMPLETED
• Make sure to reconnect all disconnected connectors.
• Reconnect the negative battery cable.
• Clear the DTC using the M-MDS.
• Switch the ignition to ON and wait for 1.5 s or more.
• Perform the DTC inspection using the M-MDS.
• Is the same DTC present?
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Yes
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Replace the rear vehicle monitoring control module (RH), then go to the next step.
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No
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Go to the next step.
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7
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VERIFY THAT NO OTHER DTCs ARE PRESENT
• Are any DTCs present?
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Yes
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Go to the applicable DTC inspection.
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No
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DTC troubleshooting completed.
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