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Power Door Lock Control Relay/Integration Relay Circuit Testing: Sienna

  1. Remove integration relay from driver-side junction block. Check 20-pin connector for poor terminal contact. Repair as necessary. If terminal contact is okay, go to next step.
  2. Connect voltmeter positive lead to relay terminal No. 1 (Blue/Red wire) and negative lead to relay terminal No. 9 (Blue/Black wire). Set door lock control switch to UNLOCK position. Voltage should increase from 0-12 volts for about .2 second. Reverse voltmeter leads. Set door lock control switch to LOCK position. Voltage should increase from 0-12 volts for about .2 second. If voltages are not as specified, replace relay. If voltages are as specified, check door lock signal. See appropriate test under DOOR LOCK SWITCH SIGNAL TEST .
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