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 > Lighting System: Control Module Communication Bus OFF (U0073,U0100,U0129,U0142)
DESCRIPTION
These DTCs are stored when the CAN communication system is malfunctioning.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
Note
U0073
Control Module Communication Bus OFF
Lost comm ...
Toyota CH-R Owners Manual > Tire information: Typical tire symbols
Full-size tire
Compact spare tire
Tire size
DOT and Tire Identification Number (TIN)
Uniform tire quality grading
For details, see "Uniform Tire Quality Grading" that follows.
Location of treadwear indicators
Tire ply composition and materials
Plies are layers o ...