DESCRIPTION
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
B153A |
GVIF Disconnected (from Extension Module to H/U) |
GVIF disconnected (from navigation ECU to radio and display receiver assembly) |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Click here
PROCEDURE
1. |
CHECK DTC |
(a) Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs(b) Recheck for DTCs and check that no DTCs are output.
Body Electrical > Navigation System > Trouble CodesOK:
No DTCs are output.
OK | ![]() |
USE SIMULATION METHOD TO CHECK |
|
2. |
INSPECT NO. 1 NAVIGATION WIRE |
(a) Disconnect the GA No. 1 navigation wire connector from the antenna cord sub-assembly. |
|
(b) Disconnect the GU No. 1 navigation wire connector from the navigation ECU.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
GU-1 (GV-) - GA-1 |
Always |
Below 1 Ω |
GU-2 (GV+) - GA-2 |
Always |
Below 1 Ω |
GU-3 (GND) - GA-3 |
Always |
Below 1 Ω |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
REPLACE ANTENNA CORD SUB-ASSEMBLY |
(a) Replace the antenna cord sub-assembly with a new or known good one.
Click here
|
4. |
CHECK DTC |
(a) Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs(b) Recheck for DTCs and check that no DTCs are output.
Body Electrical > Navigation System > Trouble CodesOK:
No DTCs are output.
OK | ![]() |
END (ANTENNA CORD SUB-ASSEMBLY IS DEFECTIVE) |
|
5. |
REPLACE NAVIGATION ECU |
(a) Replace the navigation ECU with a new one.
Click here
|
6. |
CHECK DTC |
(a) Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs(b) Recheck for DTCs and check that no DTCs are output.
Body Electrical > Navigation System > Trouble CodesOK:
No DTCs are output.
OK | ![]() |
END (NAVIGATION ECU IS DEFECTIVE) |
NG | ![]() |
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY |
Toyota CH-R Service Manual > Vehicle Stability Control System: Excessive Brake Pedal Travel (No Fluid Leaks and No Air in System)
DESCRIPTION
Depending on the malfunction, the skid control ECU (brake actuator assembly)
prohibits operation of the vehicle stability control system to protect components
and prevent incorrect operation when DTCs are stored.
If the switching solenoid is disabled due to prohibition of the vehic ...
Toyota CH-R Service Manual > Air Conditioning Pressure Sensor: Installation
INSTALLATION
PROCEDURE
1. INSTALL AIR CONDITIONER PRESSURE SENSOR (for VALEO Made)
(a) Remove the vinyl tape from the cooler refrigerant liquid pipe A.
(b) Sufficiently apply compressor oil to a new air conditioner pressure sensor
and the fitting surface of the air conditioner pressure sensor. ...