SRS DTC 82-16
DTC 82-16 : No Signal From the Front Passenger's Weight Sensor (rear inner side)
- Before doing this troubleshooting procedure, find out if the vehicle was in a collision. If so, verify that all the required components were replaced with new components, of the correct part number, and that they were properly installed .
- Before doing this troubleshooting procedure, review SRS Precautions and Procedures and General Troubleshooting Information .
- These SWS DTCs are cleared when you press the engine start/stop button to select the OFF mode.
| DTC Description | DTC |
|---|---|
| 82-16 No signal from the front passenger's weight sensor (rear inner side) |
DTC (SRS)
- Problem verification
-1. Clear the DTCs with the HDS .
-2. Press the engine start/stop button to select the ON mode, then wait for 10 seconds.
-3. Check for DTCs with the HDS .
DTC Description DTC 82-16 No signal from the front passenger's weight sensor (rear inner side) Is DTC 82-16 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.
- SWS DTC check
-1. Check for SWS DTCs with the HDS .
DTC Description DTC 16-11 Short to power in the front passenger's weight sensor (rear inner side) power circuit 16-12 Short to ground in the front passenger's weight sensor (rear inner side) power circuit 16-13 Open in the front passenger's weight sensor (rear inner side) output circuit 16-14 Short to ground in the front passenger's weight sensor (rear inner side) output circuit Is an SWS DTC also indicated?
SWS DTC 16-11
Short to power in the front passenger's weight sensor (rear inner side) power circuit; replace the front passenger's seat wire harness, then clear the DTC.
SWS DTC 16-12
Short to ground in the front passenger's weight sensor (rear inner side) power circuit. Go to step 3.
SWS DTC 16-13
Open in the front passenger's weight sensor (rear inner side) output circuit. Go to step 6.
SWS DTC 16-14
Short to ground in the front passenger's weight sensor (rear inner side) output circuit. Go to step 8.
- Front passenger's weight sensor check
-1. Press the engine start/stop button to select the OFF mode.
-2. Disconnect the front passenger's weight sensor (rear inner side) 3P connector (A) on the front passenger's seat wire harness.
-3. Press the engine start/stop button to select the ON mode.
-4. Clear the DTCs with the HDS .
-5. Press the engine start/stop button to select the ON mode, then wait for 10 seconds.
-6. Check for SWS DTCs with the HDS .
DTC Description DTC 16-12 Short to ground in the front passenger's weight sensor (rear inner side) power circuit Is SWS DTC 16-12 indicated?
YES
Go to step 4.
NO
Faulty front passenger's weight sensor (rear inner side); replace the front passenger's seat rail including all four front passenger's weight sensors , then clear the DTC.
- Shorted wire check (WS2P line)
-1. Press the engine start/stop button to select the OFF mode.
-3. Release the bottom hooks, and unzip the seat-back cover .
-4. Turn over the seat-back cover/pad to gain access to the ODS unit .
-5. Remove the cover (A) and the clip (B), then disconnect the ODS unit 18P connector (C) from the ODS unit.
-6. Measure the resistance between test points 1 and 2.
Test condition OFF mode Front passenger's weight sensor (rear inner side) 3P connector (on the front passenger's seat wire harness): disconnected ODS unit 18P connector: disconnected Test circuit WS2P Test point 1 ODS unit 18P connector No. 4 (BLK) Test point 2 Body ground Is there an open circuit, or at least 1 MΩ?
YES
The WS2P wire is not shorted. Go to step 5.
NO
Short to ground in the front passenger's seat wire harness; replace the front passenger's seat wire harness, then clear the DTC.
- Shorted wire check (WS2P line to WS2G line)
-1. Measure the resistance between test points 1 and 2.
Test condition OFF mode Front passenger's weight sensor (rear inner side) 3P connector (on the front passenger's seat wire harness): disconnected ODS unit 18P connector: disconnected Test circuit WS2P, WS2G Test point 1 ODS unit 18P connector No. 4 (BLK) Test point 2 ODS unit 18P connector No. 16 (LT GRN) Is there an open circuit, or at least 1 MΩ?
YES
The WS2P and WS2G wires are OK. Replace the ODS unit , then clear the DTC.
NO
Short to another wire in the front passenger's seat wire harness; replace the front passenger's seat wire harness, then clear the DTC.
- Front passenger's weight sensor check
-1. Press the engine start/stop button to select the OFF mode.
-2. Swap the connections between the rear inner side front passenger's weight sensor and the front inner side sensor.
-3. Press the engine start/stop button to select the ON mode.
-4. Clear the DTCs with the HDS .
-5. Press the engine start/stop button to select the ON mode, then wait for 10 seconds.
-6. Check for SWS DTCs with the HDS .
DTC Description DTC 16-13 Open in the front passenger's weight sensor (rear inner side) output circuit Is SWS DTC 16-13 indicated?
YES
Go to step 7.
NO
Faulty front passenger's weight sensor (rear inner side); replace the front passenger's seat rail including all four front passenger's weight sensors , then clear the DTC.
- Shorted wire check (WS2O line to power)
-1. Press the engine start/stop button to select the OFF mode.
-2. Disconnect the front passenger's weight sensor (front inner side) 3P connector (A) on the front passenger's seat wire harness, and the front passenger's weight sensor (rear inner side) 3P connector (B) on the front passenger's seat wire harness.
-4. Release the bottom hooks, and unzip the seat-back cover .
-5. Turn over the seat-back cover/pad to gain access to the ODS unit .
-6. Remove the cover (A) and the clip (B), then disconnect the ODS unit 18P connector (C) from the ODS unit.
-7. Press the engine start/stop button to select the ON mode.
-8. Measure the voltage between test points 1 and 2.
Test condition ON mode Front passenger's weight sensor (front inner side) 3P connector (on the front passenger's seat wire harness): disconnected Front passenger's weight sensor (rear inner side) 3P connector (on the front passenger's seat wire harness): disconnected ODS unit 18P connector: disconnected Test circuit WS2O Test point 1 ODS unit 18P connector No. 10 (BLU) Test point 2 Body ground Is there 0.2 V or less?
YES
The WS2O wire is OK. Replace the ODS unit , then clear the DTC.
NO
Short to power in the front passenger's seat wire harness; replace the front passenger's seat wire harness, then clear the DTC.
- Front passenger's weight sensor check
-1. Press the engine start/stop button to select the OFF mode.
-2. Disconnect the front passenger's weight sensor (rear inner side) 3P connector (A) on the front passenger's seat wire harness.
-3. Press the engine start/stop button to select the ON mode.
-4. Clear the DTCs with the HDS .
-5. Press the engine start/stop button to select the ON mode, then wait for 10 seconds.
-6. Check for SWS DTCs with the HDS .
DTC Description DTC 16-14 Short to ground in the front passenger's weight sensor (rear inner side) output circuit Is SWS DTC 16-14 indicated?
YES
Go to step 9.
NO
Faulty front passenger's weight sensor (rear inner side); replace the front passenger's seat rail including all four front passenger's weight sensors , then clear the DTC.
- Shorted wire check (WS2O line)
-1. Press the engine start/stop button to select the OFF mode.
-3. Release the bottom hooks, and unzip the seat-back cover .
-4. Turn over the seat-back cover/pad to gain access to the ODS unit .
-5. Remove the cover (A) and the clip (B), then disconnect the ODS unit 18P connector (C) from the ODS unit.
-6. Measure the resistance between test points 1 and 2.
Test condition OFF mode Front passenger's weight sensor (rear inner side) 3P connector (on the front passenger's seat wire harness): disconnected ODS unit 18P connector: disconnected Test circuit WS2O Test point 1 ODS unit 18P connector No. 10 (BLU) Test point 2 Body ground Is there an open circuit, or at least 1 MΩ?
YES
The WS2O wire is not shorted. Go to step 10.
NO
Short to ground in the front passenger's seat wire harness; replace the front passenger's seat wire harness, then clear the DTC.
- Shorted wire check (WS2O line to WS2G line)
-1. Measure the resistance between test points 1 and 2.
Test condition OFF mode Front passenger's weight sensor (rear inner side) 3P connector (on the front passenger's seat wire harness): disconnected ODS unit 18P connector: disconnected Test circuit WS2O, WS2G Test point 1 ODS unit 18P connector No. 10 (BLU) Test point 2 ODS unit 18P connector No. 16 (LT GRN) Is there an open circuit, or at least 1 MΩ?
YES
The WS2O and WS2G wires are OK. Replace the ODS unit , then clear the DTC.
NO
Short to another wire in the front passenger's seat wire harness; replace the front passenger's seat wire harness, then clear the DTC.