Inspection Procedure
- CHECK FOR DTC (BLINKING PATTERN)
- Turn the engine switch from on (IG) to off.
- Turn the engine switch on (IG) and wait for 10 seconds.
- Check for the DTC again and wait for 20 seconds (see DTC CHECK / CLEAR
).
OK: DTC 5-2 is not output.
NG: Go to step 2
OK: CLEAR HISTORIC DTC (See DTC CHECK / CLEAR )
- CHECK SUPPLEMENTAL RESTRAINT SYSTEM
- Check for DTC using the intelligent tester or Techstream (see
DTC CHECK / CLEAR
).
Result
SUPPLEMENTAL RESTRAINT SYSTEMResult Proceed to Related to supplemental restraint system A No DTC B
A: GO TO SUPPLEMENTAL RESTRAINT SYSTEM (See HOW TO PROCEED WITH TROUBLESHOOTING )
B: GO TO NEXT STEP
- Check for DTC using the intelligent tester or Techstream (see
DTC CHECK / CLEAR
).
- CHECK HARNESS AND CONNECTOR (MAYDAY ECU - CENTER AIRBAG SENSOR) NOTE: After the engine switch is turned off, the HDD navigation system requires approximately 6 minutes to record various types of memory and settings. As a result, after turning the engine switch off, wait 6 minutes or more before disconnecting the cable from the negative (-) battery terminal.
- Disconnect the cable from the negative (-) battery terminal and wait for 90 seconds.
- Disconnect the R24 ECU connector.
- Disconnect the L73 airbag sensor connector.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
MAYDAY ECU - CENTER AIRBAG SENSORTester Connection Condition Specified Condition R24-16 (GSW) - L73-18 (GSW) Always Below 1 Ω R24-16 (GSW) or L73-18 (GSW) - Body ground Always 10 kΩ or higher
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR THEN CLEAR HISTORIC DTC
OK: REPLACE MAYDAY ECU TOGETHER WITH MAYDAY BATTERY AND THEN PERFORM REGISTRATION