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1
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CONFIRM PCM DTC
• Perform the PCM DTC inspection using the M-MDS.
• 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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Go to the next step.
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2
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INSPECT BATTERY
• Is there any malfunction?
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Yes
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Recharge or replace the battery, then go to Step 13.
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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
• Is there any malfunction?
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Yes
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Replace the generator, then go to Step 13.
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No
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Go to the next step.
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4
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VERIFY MALFUNCTIONING LOCATION
• Switch the ignition to off.
• Disconnect the negative battery cable.
• Remove the ignition relay (IG1_STAB).
• Reconnect the negative battery cable.
• Measure the voltage at the ignition relay (IG1_STAB) terminal D (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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Go to Step 9.
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5
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INSPECT IGNITION RELAY (IG1_STAB)
• Inspect the ignition relay (IG1_STAB).
• Is there any malfunction?
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Yes
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Replace the ignition relay (IG1_STAB), then go to Step 13.
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No
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Go to the next step.
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6
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INSPECT INFORMATION DISPLAY/MULTI INFORMATION DISPLAY CONNECTOR AND TERMINALS
• Disconnect the negative battery cable.
• Disconnect the information display/multi information display connector.
• Inspect the connector 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 13.
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No
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Go to the next step.
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7
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INSPECT INFORMATION DISPLAY/MULTI INFORMATION DISPLAY POWER SUPPLY CIRCUIT FOR SHORT TO GROUND
• Verify that the information display/multi information display connector is disconnected.
• Verify that the ignition relay (IG1_STAB) is removed.
• Inspect for continuity between information display/multi information display terminal 1E (wiring harness-side) and body ground.
• Is there continuity?
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Yes
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Repair or replace the wiring harness for a possible short to ground.
Replace the fuse if necessary, then go to Step 13.
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No
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Go to the next step.
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8
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INSPECT INFORMATION DISPLAY/MULTI INFORMATION DISPLAY POWER SUPPLY CIRCUIT FOR OPEN CIRCUIT
• Verify that the information display/multi information display connector is disconnected.
• Verify that the ignition relay (IG1_STAB) is removed.
• Inspect for continuity between ignition relay (IG1_STAB) terminal C (wiring harness-side) and information display/multi information display terminal 1E (wiring harness-side).
• Is there continuity?
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Yes
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Go to Step 13.
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No
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Repair or replace the wiring harness for a possible open circuit.
Replace the fuse if necessary, then go to Step 13.
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9
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INSPECT DC-DC CONVERTER CONNECTOR AND TERMINALS
• Disconnect the negative battery cable.
• Disconnect the DC-DC converter connector.
• Inspect the connector for poor connection (such as damaged/pulled-out pins, and corrosion).
• Is there any malfunction?
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Yes
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Repair or replace the connector or terminals, then go to Step 13.
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No
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Go to the next step.
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10
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INSPECT INFORMATION DISPLAY/MULTI INFORMATION DISPLAY POWER SUPPLY CIRCUIT FOR SHORT TO GROUND
• Verify that the DC-DC converter connector is disconnected.
• Verify that the ignition relay (IG1_STAB) is removed.
• Inspect for continuity between ignition relay (IG1_STAB) terminal D (wiring harness-side) and body ground.
• Is there continuity?
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Yes
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Repair or replace the wiring harness for a possible short to ground.
Replace the fuse if necessary, then go to Step 13.
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No
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Go to the next step.
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11
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INSPECT INFORMATION DISPLAY/MULTI INFORMATION DISPLAY POWER SUPPLY CIRCUIT FOR OPEN CIRCUIT
• Verify that the DC-DC converter connector is disconnected.
• Verify that the ignition relay (IG1_STAB) is removed.
• Inspect for continuity between ignition relay (IG1_STAB) terminal D (wiring harness-side) and DC-DC converter terminal K (wiring harness-side).
• Is there continuity?
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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 for a possible open circuit.
Replace the fuse if necessary, then go to Step 13.
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12
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INSPECT DC-DC CONVERTER
• Inspect the DC-DC converter.
• Is there any malfunction?
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Yes
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Replace the DC-DC converter, then go to the next step.
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No
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Go to the next step.
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13
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VERIFY TROUBLESHOOTING COMPLETED
• Make sure to reconnect all disconnected connectors.
• Reconnect the negative battery cable.
• Clear the DTC from information display/multi information display using the M-MDS.
• Switch the ignition to ON and wait for 10 s or more.
• Perform the information display/multi information display DTC inspection using the M-MDS.
• Is the same DTC present?
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Yes
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Repeat the inspection from Step 1.
• If the malfunction recurs, replace the information display/multi information display.
Go to the next step.
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No
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Go to the next step.
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14
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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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