DTC Troubleshooting: B2631
DTC B2631:
 Right Rear Back-up Sensor Malfunction
  1. Clear the DTCs with the HDS.
  1. Turn the ignition switch to LOCK (0) and then back to ON (II).
  1. Check for DTCs with the HDS.
Is DTC B2631 indicated?
YES -
Go to Step 4 .
NO -
Intermittent failure, the system is OK at this time.■
  1. Turn the ignition switch to LOCK (0).
  1. Swap the right rear back-up sensor and the left rear back-up sensor.
  1. Turn the ignition switch to ON (II).
  1. Check for DTCs with the HDS.
Is DTC B2631 indicated?
YES -
Go to Step 8 .
NO -
Replace the right rear back-up sensor.■
  1. Turn the ignition switch to LOCK (0).
  1. Disconnect the 6P connector from the right rear back-up sensor.
  1. Turn the ignition switch to ON (II).
  1. Measure the voltage between the right rear back-up sensor 6P connector No. 6 terminal and body ground.
Is there about 8 V?
YES -
Go to Step 12 .
NO -
Go to Step 19 .
  1. Turn the ignition switch to LOCK (0).
  1. Disconnect the 6P connector from the left rear back-up sensor.
  1. Check for continuity between the right rear back-up sensor 6P connector No. 2 terminal and left rear back-up sensor 6P connector No. 1 terminal.
Is there continuity?
YES -
Go to Step 15 .
NO -
Repair an open in the wire.■
  1. Check for continuity between the right rear back-up sensor 6P connector No. 4 terminal and left rear back-up sensor 6P connector No. 3 terminal.
Is there continuity?
YES -
Go to Step 16 .
NO -
Repair an open in the wire.■
  1. Reconnect all connectors.
  1. Turn the ignition switch to ON (II).
  1. Check for DTCs with the HDS.
Is DTC B2629, B2630, or B2632 indicated?
YES -
Go to the indicated DTC's troubleshooting.■
NO -
Replace the parking and back-up sensor control unit .■
  1. Measure the voltage between the right rear back-up sensor 6P connector No. 6 terminal and body ground.
Is there battery voltage?
YES -
Repair a short to power in the wire.■
NO -
Repair an open in the wire.■