INSTALLATION PROCEDURE 1. INSTALL LOWER NO. 2 INSTRUMENT PANEL AIRBAG ASSEMBLY (a) Check that the engine switch (for Gasoline Model) or power switch (for HV Model) is off. (b) Check that the cable is disconnected from the negative (-) auxiliary battery terminal. CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.  (c) Connect the airbag connector to the lower No. 2 instrument panel airbag assembly. 
NOTICE: When connecting any airbag connector, take care not to damage the airbag wire harness. (d) Push in the airbag connector locking button to install the airbag connector. (e) Engage the 3 claws to temporarily install the lower No. 2 instrument panel airbag assembly. (f) Install the lower No. 2 instrument panel airbag assembly with the 3 bolts. Torque: 10 N·m {102 kgf·cm, 7 ft·lbf} NOTICE: Confirm that the lower No. 2 instrument panel airbag assembly is installed securely without any excessive gaps and is not protruding outward. 2. INSTALL INSTRUMENT PANEL FINISH PANEL END LH Click here 3. INSTALL NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY Click here 4. INSTALL INSTRUMENT SIDE PANEL RH Click here 5. INSTALL GLOVE COMPARTMENT PLATE Click here 6. CONNECT FRONT DOOR OPENING TRIM WEATHERSTRIP RH 7. INSTALL COWL SIDE TRIM SUB-ASSEMBLY RH HINT: Use the same procedure as for the LH side. Click here 8. INSTALL FRONT DOOR SCUFF PLATE RH HINT: Use the same procedure as for the LH side. Click here
9. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL for Gasoline Model: Click here for HV Model: Click here
NOTICE: When disconnecting the cable, some systems need to be initialized after the cable is reconnected. Click here 10. INSTALL LUGGAGE TRIM SERVICE HOLE COVER (for HV Model) Click here 11. PERFORM DIAGNOSTIC SYSTEM CHECK for Gasoline Model: Click here for HV Model: Click here
12. INSPECT SRS WARNING LIGHT for Gasoline Model: Click here
for HV Model: Click here
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Electronically Controlled Brake System(for Gasoline Model): Brake Hold Operated Indicator Light Circuit
DESCRIPTION The brake hold operated indicator light illuminates when the brake hold system is operating (vehicle stopped due to brake fluid pressure hold) and turns off when the brake hold system operation is finished (brake fluid pressure decreases). The brake hold system may not operate depending ...
