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STEP
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INSPECTION
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ACTION
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1
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VERIFY FREEZE FRAME DATA HAS BEEN RECORDED
• Has FREEZE FRAME DATA been recorded?
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Yes
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Go to next step.
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No
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Record FREEZE FRAME DATA on repair order, then go to next step.
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2
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VERIFY RELATED REPAIR INFORMATION AVAILABILITY
• Check for related Service Bulletins availability.
• Is any related repair information available?
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Yes
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Perform repair or diagnosis according to available repair information.
• If vehicle is not repaired, go to next step.
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No
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Go to next step.
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3
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INSPECT BRAKE SWITCH CONNECTOR POOR CONNECTION
• Turn ignition key to OFF.
• Disconnect brake switch connector.
• Check for poor connection (such as damaged, pulled-out pins, and corrosion, etc.).
• Is there any malfunction?
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Yes
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Repair or replace terminal, then go to Step 9.
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No
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Go to next step.
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4
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INSPECT BRAKE SWITCH POWER CIRCUIT FOR OPEN CIRCUIT
• Turn ignition key to ON (Engine OFF).
• Measure voltage between brake switch terminal 2 (harness-side) and body GND.
• Is voltage B+?
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Yes
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Go to next step.
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No
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Repair or replace harness for open circuit, then go to Step 9.
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5
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INSPECT BRAKE SWITCH SIGNAL CIRCUIT FOR SHORT TO POWER
• Turn ignition key to ON (Engine OFF).
• Measure voltage between brake switch terminal 1 (harness-side) and body GND.
• Is voltage B+?
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Yes
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Repair or replace harness for short to power, then go to Step 9.
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No
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Go to next step.
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6
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INSPECT PCM CONNECTOR FOR POOR CONNECTION
• Turn ignition key to OFF.
• Disconnect PCM connector.
• Check 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 terminal, then go to Step 9.
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No
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Go to next step.
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7
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INSPECT BRAKE SWITCH SIGNAL CIRCUIT FOR OPEN CIRCUIT
• Turn ignition key to OFF.
• Check continuity between brake switch terminal 1 (harness-side) and PCM terminal 92 (harness-side).
• Is there continuity?
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Yes
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Go to next step.
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No
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Repair or replace harness for open circuit, then go to Step 9.
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8
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INSPECT BRAKE SWITCH
• Inspect brake switch.
• Is there any malfunction?
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Yes
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Replace brake switch, then go to next step.
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No
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Go to next step.
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9
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VERIFY TROUBLESHOOTING OF DTC P0703 COMPLETED
• Make sure to reconnect all disconnected connectors.
• Clear DTC from memory using WDS or equivalent.
• Perform KOEO/KOER Self-Test.
• Is PENDING CODE same as DTC present?
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Yes
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Replace PCM, then go to next step.
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No
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Go to next step.
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10
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VERIFY AFTER SERVICE PRECAUTION
• Perform "AFTER SERVICE PRECAUTION".
• Are any DTCs present?
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Yes
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Go to applicable DTC inspection.
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No
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Troubleshooting completed.
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