DESCRIPTION
The navigation receiver assembly receives a vehicle speed signal from the combination meter assembly and information from the navigation antenna assembly, and then adjusts the vehicle position.
The navigation receiver assembly stores this DTC when the difference between the speed information that the navigation antenna assembly receives and the SPD pulse received from the combination meter assembly becomes large.
HINT:
DTC Code |
DTC Detection Condition |
Trouble Area |
---|---|---|
B15C2 |
A difference between the GPS speed and SPD pulse is detected. |
|
WIRING DIAGRAM
PROCEDURE
1. |
CHECK VEHICLE SENSOR (OPERATION CHECK) |
(a) Enter the "System Sensors Check" screen. Refer to Check GPS & Vehicle
Sensors in Operation Check (See page |
|
(b) While driving the vehicle, compare the "Speed" indicator to the reading on the speedometer. Check if these readings are almost equal.
OK:
The readings are equal or almost equal.
OK | ![]() |
REPLACE NAVIGATION RECEIVER ASSEMBLY |
|
2. |
CHECK COMBINATION METER ASSEMBLY (OUTPUT WAVEFORM) |
(a) Check the output waveform. (1) Remove the combination meter assembly with the connector(s) still connected. (2) Connect an oscilloscope to terminal C9-40 (+S) and body ground. (3) Turn the ignition switch to ON. (4) Turn a wheel slowly. (5) Check the signal waveform according to the condition(s) in the table below.
OK: The waveform is similar to that shown in the illustration. HINT: When the system is functioning normally, one wheel revolution generates 4 pulses. As the vehicle speed increases, the width indicated by (A) in the illustration narrows. Text in Illustration
|
|
NG | ![]() |
GO TO METER / GAUGE SYSTEM |
|
3. |
CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - COMBINATION METER ASSEMBLY) |
(a) Disconnect the N25 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 |
---|---|---|
N25-17 (SPD) - C9-40 (+S) |
Always |
Below 1 Ω |
OK | ![]() |
REPLACE NAVIGATION RECEIVER ASSEMBLY |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Dtc Check / Clear
DTC CHECK / CLEAR
NOTICE:
When the diagnosis system is changed from normal mode to check mode or vice versa,
all DTCs and freeze frame data recorded in normal mode are cleared. Before changing
modes, always check and make a note of DTCs and freeze frame data.
HINT:
DTCs which are sto ...
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
If the bumper is damaged, there is a possibility that the installation area of
the blind spot monitor sensor may be deformed and the blind spot monitor system
may not operate correctly, so visually inspect the blind spot monitor sensor installation
area ...
System Description
SYSTEM DESCRIPTION
1. GENERAL
(a) The blind spot monitor system has the blind spot monitor function and rear
cross traffic alert function.
(1) Blind spot monitor function
The blind spot monitor function is a function that assists the driver
in making the decision to change lanes. Th ...