Toyota Corolla Cross: System Diagram
SYSTEM DIAGRAM

READ NEXT:
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the rear view monitor system.
*: Use the GTS.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed i
TERMINALS OF ECU
CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY
(a) Disconnect the I55 and I253 radio and display receiver assembly
connectors.
(b) Measure the voltage and resistance according to th
SEE MORE:
REASSEMBLY CAUTION / NOTICE / HINT COMPONENTS (REASSEMBLY)
Procedure Part Name Code
1 INSTRUMENT PANEL CUSHION
55349A
- -
2 NO. 1 INSTRUMENT PANEL PIN
55328 -
- -
3 NAVIGATION ANTENNA ASSEMBLY WITH BRAC
DESCRIPTION When the wireless operation can be used to lock and unlock the doors, communication between the electrical key and tire pressure warning ECU and receiver and certification ECU (smart key ECU assembly) is normal. If the entry lock and unlock functions do not operate, the entry cancel func