COMMUNICATION SYSTEM > Relay and Fuse
INSPECTION
1. CHECK FUSE
1. Remove the fuse and check visually.
2. If the fuse is blown out, replace the fuse.
2. CHECK RELAY
1. Check the resistance between relay terminals.
Terminal No. | Inspection conditions | Specification | Circuit |
1 — 2 | Always | 1 M? or more |

1 — 2
Apply battery voltage between 4 — 3 terminals.
Less than 1 ?
2. Replace the relay if the inspection result is not within the standard value.
Relay and fuse
LocationSecurity indicator light
This indicator light shows the status of the
alarm system. It also indicates operation
of the immobilizer system.
Alarm system
It blinks to show the driver the operational
status of the alarm system. For detailed
information, refer to "Alarm system"
Immobilizer system
The security indicator ...
Switching power status
1. Apply the parking brake.
2. Shift the select lever into the "P"
position.
3. Depress the brake pedal.
4. Hold the access key with the buttons
facing you, and touch the push-button
ignition switch with it.
When the communication between the
access key and the vehicle is completed ...
Dtc u0073 control module communication bus off
HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0073 CONTROL MODULE COMMUNICATION BUS OFFDetected when CAN line abnormality is detected.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE"> ...