85-62
SRS DTC Troubleshooting: 85-61, 85-62
DTC 85-61:
No Signal From the ODS Unit
DTC 85-62:
Incorrect data from the ODS unit
NOTE:
- Before doing this troubleshooting procedure, review SRS Precautions and Procedures Service and Repair, General Troubleshooting Information Reading and Clearing Diagnostic Trouble Codes, and Battery Terminal Disconnection and Reconnection Procedures.
1. Clear the DTCs with the HDS Reading and Clearing Diagnostic Trouble Codes.
2. Turn the ignition switch to ON (II), then wait for 10 seconds.
3. Check for the DTCs with the HDS Reading and Clearing Diagnostic Trouble Codes.
Is DTC85-61 or 85-62 indicated?
YES -
Go to step 4.
NO -
Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures Reading and Clearing Diagnostic Trouble Codes. If another DTC is indicated, troubleshoot the DTC.
4. Check the No. 8 (7.5 A) fuse in the under-dash fuse/relay box.
Is the fuse OK?
YES -
Go to step 5.
NO -
Replace the fuse, then turn the ignition switch to ON (II). If the fuse blows again, check for a short in the No. 8 (7.5 A) fuse circuit (dashboard wire harness, floor wire harness, or ODS unit harness).�
5. Turn the ignition switch to LOCK (0).
6. Remove the seat-back cover Front Seat-back Cover/Pad Replacement.
7. Disconnect the ODS unit harness 18P connector (A) from the ODS unit.
8. Turn the ignition switch to ON (II).
9. Measure the voltage between ODS unit harness 18P connector terminal No. 1 and body ground. There should be battery voltage.
Is there battery voltage?
YES -
Go to step 10.
NO -
Open between the No. 8 (7.5 A) fuse in the driver's under-dash fuse/relay box and ODS unit18P connector terminal No. 1 (dashboard wire harness, floor wire harness, or ODS unit harness); replace the faulty harness, then clear the DTC.�
10. Turn the ignition switch to LOCK (0).
11. Measure the resistance between ODS unit 18P connector terminal No. 12 and body ground. There should be less than 1.0 Ohms.
Is resistance as specified?
YES -
Go to step 12.
NO -
Open between ODS unit 18P connector terminal No. 12 and body ground (G603) or poor connection at G603 [1][2]Harness.�
12. Disconnect the negative cable from the battery, then wait at least 3 minutes.
13. Disconnect SRS unit connector B (39P) from the SRS unit Service and Repair.
14. Measure the resistance between SRS unit connector B (39P) terminal No. 1 and body ground. There should be 1 MOhms.
Is the resistance as specified?
YES -
Go to step 15.
NO -
Short to ground between SRS unit connector B (39P) terminal No. 1 and ODS unit 18P connector terminal No. 7 (dashboard wire harness, floor wire harness, or ODS unit harness); replace the faulty harness, then clear the DTC.�
15. Measure the resistance between SRS unit connector B (39P) terminal No. 1 and ODS unit 18P connector terminal No. 7. There should be less than 1.0 Ohms.
Is the resistance as specified?
YES -
Go to step 16.
NO -
Open between SRS unit connector B (39P) terminal No. 1 and ODS unit 18P connector terminal No. 7 (dashboard wire harness, floor wire harness, or ODS unit harness); replace the faulty harness, then clear the DTC.�
16. Reconnect the negative cable to the battery.
17. Turn the ignition switch to ON (II).
18. Measure the voltage between SRS unit connector B (39P) terminal No. 1 and body ground. There should be less than 0.2 V.
Is there battery voltage?
YES -
Go to step 19.
NO -
Short to power between SRS unit connector B (39P) terminal No. 1 and ODS unit 18P connector terminal No. 7 (dashboard wire harness, floor wire harness, or ODS unit harness); replace the faulty harness, then clear the DTC.�
19. Replace the ODS unit ODS Unit Replacement.
20. Clear the DTCs with the HDS unit.
21. Turn the ignition switch to ON (II), then wait for 10 seconds.
22. Check for the DTCs with the HDS.
Is DTC 85-61 or 85-62 indicated?
YES -
Replace the SRS unit SRS Unit Replacement.�
NO -
Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures Reading and Clearing Diagnostic Trouble Codes. If another DTC is indicated, troubleshoot the DTC.�