Toyota Yaris: Cxpi Communication System / How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
-
Use these procedures to troubleshoot the CXPI communication system.
-
*: Use the GTS.
PROCEDURE
1. | VEHICLE BROUGHT TO WORKSHOP |
NEXT |
| |
2. | INSPECT AUXILIARY BATTERY VOLTAGE |
(a) Measure the auxiliary battery voltage with the ignition switch off.
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the auxiliary battery before proceeding to the next step.
NEXT |
| |
3. | CHECK POWER INTEGRATION SYSTEM* |
(a) Use the GTS to check if the power integration system is functioning normally.
Click here
Result | Proceed to |
Power integration system DTCs are not output | A |
Power integration system DTCs are output | B |
B |
| GO TO POWER INTEGRATION SYSTEM |
A |
| |
(a) Check for DTCs and make a note of any codes that are output.
Click here
(b) Clear the DTCs.
Body Electrical > Main Body > Clear DTCs
(c) Recheck for DTCs.
Body Electrical > Main Body > Trouble Codes
DTCs output |
| GO TO DIAGNOSTIC TROUBLE CODE CHART |
No DTCs output |
| |
5. | OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Data List / Active Test
Click here
(b) Terminals of ECU
Click here
NEXT |
| |
6. | ADJUST, REPAIR OR REPLACE |
NEXT |
| END |
SYSTEM DESCRIPTION CXPI COMMUNICATION SYSTEM DESCRIPTION The multiplex communication system [CXPI] is used for communication systems between body system components...
TERMINALS OF ECU NOTICE:
After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal...
Other information:
These lights turn on or flash to notify the user of the system operation
status or a system malfunction.
Master
Warning Light
Brake
System Warning Light
ABS
Warning Light
Charging System Warning Light
Engine
Oil Warning Light
Check
Engine Light
High
Engine Coolant Temperature Warning Light
Automatic Transaxle Warning Light
Power
Steering Malfunction Indicator Light
Air
Bag/Front Seat Belt Pretensioner System Warning Light
LED
Headlight Warning Light
Low
Fuel Warning Light
Check
Fuel Cap Warning Light
Seat
Belt Warning Light (Front seat)
Door-Ajar Warning Light
Low
Washer Fluid Level Warning Light
Tire
Pressure Monitoring System Warning Light
KEY
Warning Light
Low
Speed Pre-Collision System Warning Light
* 1: The light turns on when the ignition is switched on for
an operation check,
and turns off a few seconds later or when the engine is started...
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the power mirror control system.
*: Use the GTS.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT
2. CUSTOMER PROBLEM ANALYSIS HINT:
In troubleshooting, confirm that the problem symptoms have been accurately identified...
Categories
WARNING
Never allow a person to ride in the luggage compartment/trunk
Allowing a person to ride in the luggage compartment/trunk is
dangerous.
The person in the luggage compartment/trunk could be seriously injured or
killed during sudden braking or a collision.
Do not drive with the liftgate/trunk lid open
read more