DTC 5-2: Airbag Signal Communication Error: Procedure

1. Turn the engine switch from on (IG) to off.
2. Turn the engine switch on (IG) and wait for 10 seconds.
3. Check for the DTC again and wait for 20 seconds. Refer to DTC CHECK / CLEAR .

   OK

   DTC 5-2 is not output.

NG → See step   2 

OK → See step   6 

1. Check for DTC using the Techstream. Refer to DIAGNOSIS SYSTEM .
   RESULT
   
   

   Result	Proceed to
   DTC related to supplemental restraint system output	A
   No DTC output	B

A → See step   7 

B: Go to next step 

Fig 1: Identifying P2 And E47 Connector Terminal

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the cable from the negative (-) battery terminal and wait for 90 seconds.
   WARNING:

   Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

   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.
   • When disconnecting the cable, some systems need to be initialized after the cable is reconnected. Refer to INITIALIZATION .
2. Disconnect the P2 ECU connector.
3. Disconnect the E47 airbag sensor connector.
4. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   P2-16 (GSW) - E47-24 (GSW3)	Always	Below 1 Ω
   P2-16 (GSW) or E47-24 (GSW3) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR THEN CLEAR HISTORIC DTC 

OK: Go to next step 

NEXT → See step   5