DESCRIPTION
The ECM illuminates the cruise control SET indicator by sending indicator output demand signals to the combination meter assembly via CAN communication. The cruise control SET indicator illuminates when the dynamic radar cruise control system is controlling vehicle speed. The cruise SET indicator light circuit uses CAN communication. If the cruise control SET indicator is not functioning correctly, check for CAN communication DTCs before troubleshooting this circuit.
CAUTION / NOTICE / HINT
CAUTION:
Observe the following items for safety reasons when using Techstream:
NOTICE:
w/o Smart Key System: Click here
w/ Smart Key System: Click here
PROCEDURE
1. |
PERFORM ACTIVE TEST USING TECHSTREAM (METER DISPLAY 1) |
(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 / Combination Meter / Active Test.
(e) Perform the Active Test according to the display on the Techstream.
Body Electrical > Combination Meter > Active Test
Tester Display |
Measurement Item |
Control Range |
Diagnostic Note |
---|---|---|---|
Meter Display 1 |
Multi-information display |
OFF, 6 to 0 or All |
- |
Result |
Proceed to |
---|---|
The multi-information display in the combination meter assembly turns on or off according to the operation of the Active Test. |
A |
The multi-information display in the combination meter assembly does not turn on or off according to the operation of the Active Test. |
B |
B | ![]() |
GO TO METER / GAUGE SYSTEM |
|
2. |
READ VALUE USING TECHSTREAM (-SET SWITCH) |
(a) Turn the cruise control system on using the cruise control main switch (ON-OFF button).
(b) Drive at a speed between approximately 40 km/h (25 mph) and 180 km/h (110 mph).
(c) Enter the following menus: Powertrain / Radar Cruise1 / Data List.
(d) Read the Data List according to the display on the Techstream.
Powertrain > Radar Cruise1 > Data List
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|---|
-SET Switch |
-SET switch status |
ON or OFF |
ON: -SET switch on OFF: -SET switch off |
- |
Result |
Proceed to |
---|---|
The cruise control SET indicator illuminates and turns off according to the operation of the cruise control main switch (-SET switch). |
A |
The cruise control SET indicator does not illuminate but the Data List item -SET Switch changes according to the operation of the cruise control main switch (-SET switch). |
B |
The cruise control SET indicator does not illuminate and the Data List item -SET Switch does not change according to the operation of the cruise control main switch (-SET switch). |
C |
A | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
B | ![]() |
REPLACE COMBINATION METER ASSEMBLY |
C | ![]() |
REPLACE ECM |
Lost Communication with ECM / PCM "A" (U0100,U0125,U0126,U0129)
DESCRIPTION
These DTCs are stored when a communication malfunction occurs between ECUs that
perform pre-collision system control.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
U0100
Lost Communication with ECM ...
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 ...
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 past DTC.
DTC Code
DTC Detection Condition
Tro ...