Toyota CH-R Service Manual: GVIF Disconnected (from Extension Module to H/U) (B153A)
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:
- Depending on the parts that are replaced during vehicle inspection or
maintenance, performing initialization, registration or calibration may
be needed. Refer to Precaution for Navigation System.
Click here
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- When replacing the radio and display receiver assembly or navigation
ECU, always replace it with a new one. If a radio and display receiver assembly
or navigation ECU which was installed to another vehicle is used, the following
may occur:
- A communication malfunction DTC may be stored.
- The radio and display receiver assembly or navigation ECU may not operate normally.
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 | .gif) |
USE SIMULATION METHOD TO CHECK |
|
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|
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 |
Lost Communication with Meter (B1324)
DESCRIPTION
This DTC is stored when a communication error occurs between the radio and display
receiver assembly and combination meter assembly.
DTC No.
Detection Item
...
Satellite Radio Broadcast cannot be Received
CAUTION / NOTICE / HINT
NOTICE:
Some satellite radio broadcasts require payment. A contract must be made between
a satellite radio company and the user. If the contract expires, it will not be
p ...
Other materials:
Toyota CH-R Service Manual > Meter / Gauge System: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
NOTICE:
When replacing the combination meter assembly, always replace it with a new one.
If a combination meter assembly which was installed to another vehicle is used,
the information stored in it will not match the information from the vehicle and
a DTC may be stored ...
Toyota CH-R Service Manual > Wireless Door Lock Control System(w/ Smart Key System): Parts Location
PARTS LOCATION
ILLUSTRATION
*1
REAR COMBINATION LIGHT ASSEMBLY RH
*2
REAR COMBINATION LIGHT ASSEMBLY LH
*3
HEADLIGHT ASSEMBLY RH
*4
HEADLIGHT ASSEMBLY LH
*5
SIDE TURN SIGNAL ...
Toyota CH-R Owners Manual
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Toyota CH-R Service Manual
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