Toyota Tacoma (2015-2018) Service Manual: Lost Communication with Meter (B1324)
DESCRIPTION
This DTC is stored when a communication error occurs between the navigation receiver assembly and combination meter assembly.
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
B1324 |
After the navigation receiver assembly receives a registration information signal, which is sent by the combination meter assembly when the ignition switch is ACC, 1 or more times, the navigation receiver assembly cannot receive the signal for 30 seconds or more. |
|
WIRING DIAGRAM
PROCEDURE
|
1. |
CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - COMBINATION METER ASSEMBLY) |
(a) Disconnect the N26 navigation receiver assembly connector.
(b) Disconnect the C9 combination meter assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
N26-3 (CNH1) - C9-4 (MSCH) |
Always |
Below 1 Ω |
|
N26-4 (CNL1) - C9-5 (MSCL) |
Always |
Below 1 Ω |
|
N26-3 (CNH1) - Body ground |
Always |
10 kΩ or higher |
|
N26-4 (CNL1) - Body ground |
Always |
10 kΩ or higher |
|
N26-3 (CNH1) - N26-4 (CNL1) |
Always |
10 kΩ or higher |
(d) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
N26-3 (CNH1) - Body ground |
Always |
Below 1 V |
|
N26-4 (CNL1) - Body ground |
Always |
Below 1 V |
| NG | .gif) |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
.gif)
|
2. |
INSPECT COMBINATION METER ASSEMBLY |
(a) Remove the combination meter assembly (See page
.gif)
).
|
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
| NG | |
REPLACE COMBINATION METER ASSEMBLY |
|
|
3. |
INSPECT NAVIGATION RECEIVER ASSEMBLY |
(a) Remove the navigation receiver assembly (See page
).
|
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
| NG | |
REPLACE NAVIGATION RECEIVER ASSEMBLY |
|
|
4. |
REPLACE COMBINATION METER ASSEMBLY |
(a) Replace the combination meter assembly with a new or known good one (See
page ).
(b) Clear the DTCs (See page ).
(c) Recheck for DTCs and check that no DTCs are output.
OK:
No DTCs are output.
| NG | |
REPLACE NAVIGATION RECEIVER ASSEMBLY |
|
|
5. |
CHECK METER / GAUGE SYSTEM |
(a) Turn the ignition switch to ON and wait 30 seconds.
(b) Operate the steering pad switch assembly and check that the audio tab is displayed on the multi-information display in the combination meter assembly and the audio system can be operated normally.
OK:
Audio system returns to normal.
| OK | |
END |
| NG | |
REPLACE NAVIGATION RECEIVER ASSEMBLY |
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Navigation System
DTC Code
Detection Item
See page
B1324
Lost Communication with Meter
...
LVDS Signal Malfunction (from Extension Module) (B1532,B156C)
DESCRIPTION
DTC Code
DTC Detection Condition
Trouble Area
B1532
When one of the conditions below is met:
Video signal (digit ...
Other materials:
Inspection
INSPECTION
PROCEDURE
1. INSPECT BRAKE CYLINDER AND PISTON
(a) Check the cylinder bore and piston for rust and scoring.
2. INSPECT PAD LINING THICKNESS
(a) Using a ruler, measure the pad lining thickness.
Standard thickness:
11.5 mm (0.453 in.)
Minimum thickness:
1.0 mm (0.0394 in.) ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms. If multiple
suspected areas are listed, the potential causes of the symptoms are listed in order
of probability in the "Suspected Area" column of the table. Check each symptom by
check ...
Short to +B in Outer Mirror Indicator(Slave) (C1AB1)
DESCRIPTION
This DTC is stored when the blind spot monitor sensor RH detects a +B short in
the blind spot monitor indicator RH.
DTC Code
DTC Detection Condition
Trouble Area
C1AB1
With the blind spot monitor main switch assembly (warni ...
