Toyota CH-R Service Manual: 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 |
DTC Detection Condition |
Trouble Area |
|---|---|---|---|
|
B1324 |
Lost Communication with Meter |
After the radio and display receiver assembly receives a registration information signal, which is sent by the combination meter assembly when the engine switch on (IG), 1 or more times, the radio and display receiver assembly does not receive the signal for 30 seconds or more |
|
WIRING DIAGRAM
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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, always replace
it with a new one. If a radio and display receiver assembly which was installed
to another vehicle is used, the following may occur:
- A communication malfunction DTC is stored.
- The radio and display receiver assembly or navigation ECU may not operate normally.
- 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.
PROCEDURE
|
1. |
CHECK DTC (METER / GAUGE SYSTEM) |
(a) Clear the DTCs.
Body Electrical > Combination Meter > Clear DTCs(b) Recheck for DTCs and check that no DTCs are output.
Body Electrical > Combination Meter > Trouble CodesOK:
No DTCs are output.
| NG | .gif) |
GO TO METER / GAUGE SYSTEM |
|
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|
2. |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - COMBINATION METER ASSEMBLY) |
(a) Disconnect the F131 radio and display receiver assembly connector.
(b) Disconnect the F4 combination meter assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
F131-5 (CNH1) - F4-36 (MSCH) |
Always |
Below 1 Ω |
|
F131-6 (CNL1) - F4-37 (MSCL) |
Always |
Below 1 Ω |
|
F131-5 (CNH1) - Body ground |
Always |
10 kΩ or higher |
|
F131-6 (CNL1) - Body ground |
Always |
10 kΩ or higher |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
3. |
REPLACE COMBINATION METER ASSEMBLY |
(a) Replace the combination meter assembly.
Click here
(b) Clear the DTCs.
Click here
(c) Recheck for DTCs and check that no DTCs are output.
Body Electrical > Navigation System > Trouble CodesOK:
No DTCs are output.
| OK | |
END |
| NG | |
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY |
Extension Module Disconnected 2 (B1543)
DESCRIPTION
If the radio and display receiver assembly cannot detect the navigation ECU for
a certain period of time (90 seconds) after the engine switch is turned on (ACC)
and the radio and disp ...
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)
...
Other materials:
Toyota CH-R Service Manual > Immobiliser System(w/ Smart Key System): Antenna Coil Open / Short (B2784)
DESCRIPTION
When an open or short circuit is detected in the transponder key amplifier coil
built into the engine switch, the certification ECU (smart key ECU assembly) stores
this DTC. This DTC is also stored as a history DTC.
DTC No.
Detection Item
DTC Detect ...
Toyota CH-R Service Manual > Instrument Panel Speaker: Installation
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE
1. INSTALL FRONT NO. 2 SPEAKER ASSEMBLY
NOTICE:
Do not touch the speaker cone.
(a) Engage the claws to install the ...
Toyota CH-R Owners Manual
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Toyota CH-R Service Manual
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