DESCRIPTION
The main body ECU (multiplex network body ECU) controls the operation of the TAIL relay.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Click here
PROCEDURE
1. |
PERFORM ACTIVE TEST USING TECHSTREAM |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Main Body / Active Test.
(e) Perform the Active Test according to the display on the Techstream.
Body Electrical > Main Body > Active Test
Tester Display |
Measurement Item |
Control Range |
Diagnostic Note |
---|---|---|---|
Taillight Relay |
Taillight relay |
ON/OFF |
- |
Tester Display |
---|
Taillight Relay |
OK:
Taillight relay operates. (Taillights illuminate.)
OK | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
|
2. |
CHECK HARNESS AND CONNECTOR (POWER SOURCE - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY) |
(a) Disconnect the 3K instrument panel junction block assembly connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
3K-1 - Body ground |
Always |
11 to 14 V |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY |
(a) Remove the instrument panel junction block assembly.
Click here
(b) Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.
(c) Connect a positive (+) lead from the battery to terminal 3K-1.
(d) Connect a negative (-) lead from the battery to terminal MB-14 (TRLY).
(e) Measure the voltage according to the value(s) in the table below.
*a |
Component without harness connected (Instrument Panel Junction Block Assembly) |
- |
- |
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
3H-30 - Battery negative (-) terminal |
Always |
11 to 14 V |
OK | ![]() |
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
NG | ![]() |
REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY |
Toyota CH-R Service Manual > Vehicle Stability Control System: NE Signal (C1224)
DESCRIPTION
The skid control ECU (brake actuator assembly) receives engine speed signals
from the ECM via CAN communication.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
C1224
NE Signal
The vehicle ...
KIA Niro EV / Hybrid (SG2) - (2021-2023) - Owner's manual > Hood: Closing the hood
(Kia Niro Hybrid only)
Operation
Before closing the hood, check the
following:
All filler caps in the engine compartment
must be correctly
installed.
Gloves, rags or any other combustible
material must be removed from
the engine compartment.
Lower the hood until it i ...