DTC U3006-13
DTC U3006-13 : Faulty Power Supply (VA line)
- Before doing this troubleshooting procedure, review SRS Precautions and Procedures , General Troubleshooting Information , and Battery Terminal Disconnection and Reconnection - Refer to: Battery Terminal Disconnection and Reconnection (2014 2015), or Battery Terminal Disconnection and Reconnection (2016) .
- Before replacing the SRS unit, check the SRS unit software version with the HDS. If the software version is not the latest, update the SRS unit software , and retest.
| DTC Description | DTC |
|---|---|
| U3006-13 Faulty power supply (VA line) |
DTC (SRS)
- Problem verification
-1. Clear the DTCs with the HDS.
- 2. Turn the vehicle to the ON mode, then wait for 10 seconds.
- 3. Check for DTCs with the HDS.
DTC Description DTC U3006-13 Faulty power supply (VA line) Is DTC U3006-13 indicated?
YES
The failure is duplicated. Go to step 2.
NO
Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures . If another DTC is indicated, troubleshoot the DTC.
- Fuse check 1
-1. Turn the vehicle to the OFF (LOCK) mode.
- 2. Check the following fuse.
Fuse No. E24 (7.5 A) Location Passenger's under-dash fuse/relay box Is the fuse OK?
YES
Go to step 3.
NO
Replace the fuse, then turn the vehicle to the ON mode. If the fuse blows again, check for a short to ground in the passenger's under-dash fuse/relay box No. E24 (7.5 A) fuse circuit (dashboard wire harness, floor wire harness, or front passenger's seat wire harness); replace the faulty harness, then clear the DTC, and retest. If the DTC is still present, replace the passenger's under-dash fuse/relay box - Refer to: Driver's Under-Dash Fuse/Relay Box Removal and Installation, or Passenger's Under-Dash Fuse/Relay Box Removal and Installation , then clear the DTC.
- Fuse check 2
-1. Check the following fuse.
Fuse No. D12 (20 A) Location Driver's under-dash fuse/relay box Is the fuse OK?
YES
Go to step 4.
NO
Replace the fuse, then turn the vehicle to the ON mode. If the fuse blows again, check for a short to ground in the driver's under-dash fuse/relay box No. D12 (20 A) fuse circuit (dashboard wire harness); replace the dashboard wire harness, then clear the DTC, and retest. If the DTC is still present, replace the driver's under-dash fuse/relay box - Refer to: Driver's Under-Dash Fuse/Relay Box Removal and Installation, or Passenger's Under-Dash Fuse/Relay Box Removal and Installation , then clear the DTC.
- Open wire check (VA line)
-1. Disconnect the negative cable from the battery, then wait at least 3 minutes.
- 2. Disconnect the following connector.
SRS unit connector A (39P) - Refer to: SRS Unit Removal and Installation - 3. Reconnect the negative cable to the battery.
- 4. Turn the vehicle to the ON mode.
- 5. Measure the voltage between test points 1 and 2.
Test condition Vehicle ON mode SRS unit connector A (39P): disconnected Test circuit VA Test point 1 SRS unit connector A (39P) No. 39 Test point 2 Body ground Is there battery voltage?
YES
The VA wire is OK. Faulty SRS unit or poor connection at SRS unit connector A (39P) and the SRS unit; check the connection. If the connection is OK, replace the SRS unit - Refer to: SRS Unit Removal and Installation . If the DTC does not clear, replace the dashboard wire harness.
NO
Open in the dashboard wire harness or faulty passenger's under-dash fuse/relay box; replace the dashboard wire harness or the passenger's under-dash fuse/relay box - Refer to: Driver's Under-Dash Fuse/Relay Box Removal and Installation, or Passenger's Under-Dash Fuse/Relay Box Removal and Installation , then clear the DTC.