DATA LIST / ACTIVE TEST
DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.
NOTICE:
In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / (desired system) / Data List.
(e) Read the Data List according to the display on the Techstream.
Body Electrical > Power Source Control > Data List
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|---|
Shift P Signal |
Shift position P |
OFF or ON |
OFF: Shift lever not in P ON: Shift lever in P |
Use this item to determine if the park/neutral position switch is malfunctioning. |
Steering Unlock Switch |
State of steering unlock sensor signal output from steering lock ECU (steering lock actuator or upper bracket assembly) |
OFF or ON |
OFF: Steering locked ON: Steering unlocked |
|
Stop Light Switch1 |
State of brake pedal |
OFF or ON |
OFF: Brake pedal released ON: Brake pedal depressed |
|
Start Switch1 |
Engine switch 1 status |
OFF or ON |
OFF: Engine switch not pressed ON: Engine switch pressed |
|
Start Switch2 |
Engine switch 2 status |
OFF or ON |
OFF: Engine switch not pressed ON: Engine switch pressed |
|
Neutral SW/ Clutch SW |
Shift position (P and N) |
OFF or ON |
OFF: Shift lever in any position other than P or N ON: Shift lever in P or N |
|
Latch Circuit |
Status of IG related backup circuits |
OFF or ON |
OFF: Engine switch off ON: Engine switch on (IG) |
|
Starter Request Signal |
Engine start request signal status |
OFF or ON |
OFF: The engine switch is not pressed ON: With the shift lever in P and the brake pedal depressed, the engine switch is pressed and held |
|
ACC Relay Monitor |
ACC relay activation |
OFF or ON |
OFF: Engine switch off ON: Engine switch on (ACC) |
|
Engine Condition |
Engine state |
Stop or Run |
Stop: Engine stopped Run: Engine running |
- |
Vehicle Speed Signal |
Vehicle being driven or stopped |
Stop or Run |
Stop: Vehicle stopped Run: Vehicle being driven at 5 km/h (3 mph) or more |
- |
Power Supply Condition |
Power supply state |
All OFF, ACC ON, IG ON or ST ON |
All OFF: Engine switch off (ACC and IG) ACC ON: Engine switch on (ACC) IG ON: Engine switch on (IG) ST ON: Sending engine start request signal |
- |
Powertrain Type |
Vehicle identification |
HV-AT, Cnv-MT, Cnv-AT, Cnv-MMT, S&S-MT, S&S-AT or S&S-MMT |
Cnv-AT: Conventional A/T model (w/o hybrid system) |
- |
Starter SW Sig Mismatch |
Engine switch signal 1 and 2 do not match |
No or Yes |
No: Engine switch normal Yes: Engine switch malfunction (Engine switch signal 1 and 2 do not match) |
Even when Yes is displayed, the engine can be started. However, emergency stop while driving by pressing and holding the engine switch, and if the brake system malfunctioning, emergency start by pressing and holding the engine switch cannot be performed. |
Park Signal Mismatch |
P position signal malfunction |
No or Yes |
No: Signal normal Yes: Signal malfunction (signals via CAN communication and direct line do not match) |
Even when Yes is displayed, it is still possible to turn the engine switch off (the power source mode will not be stuck in on (ACC) or on (IG)). |
Str Lock/Unlock Wait T-Out |
Steering lock or unlock malfunction |
No or Yes |
No: Lock and unlock normal Yes: Lock or unlock malfunction (e.g. steering lock is stuck etc.) |
When the engine cannot be started due to a steering lock or unlock malfunction, Yes is displayed. |
Key Certif Wait T-Out |
Key verification malfunction |
No or Yes |
No: Verification normal Yes: Verification error (Detected due to the electrical key transmitter sub-assembly ID code and the ID code stored in the certification ECU (smart key ECU assembly) not matching) |
When the engine cannot be started due to a key verification error, Yes is displayed. |
IG Circuit |
IG relay coil circuit malfunction |
OK or NG |
OK: Circuit normal NG: Circuit malfunctioning |
|
IG Relay Monitor (Outside) |
IG relay coil voltage monitor status |
OFF or ON |
OFF: Engine switch off ON: Engine switch on (IG) |
|
IG Relay Monitor (Inside) |
IG relay activation |
OFF or ON |
OFF: Engine switch off ON: Engine switch on (IG) |
|
Number of Diagnosis Code |
Number of DTCs |
0 to 255 |
- |
- |
HINT:
*1: Press the engine switch with the brake pedal released and check that the engine switch turns on (ACC).
*2: Press the engine switch with the brake pedal released and check that the engine switch turns on (IG).
*3: Depress the brake pedal (stop light switch assembly is on).
*4: Press the engine switch with the brake pedal depressed and check that the engine starts.
*5: Press the engine switch with the brake pedal depressed and check that the engine switch turns off.
*6: Release the brake pedal.
*7: Open a door.
Body Electrical > Smart Key > Data List
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|---|
Key Low Battery |
Transmitter battery depleted |
No or Yes |
No: Transmitter battery not depleted Yes: Transmitter battery depleted |
The electrical key transmitter sub-assembly sends voltage information to the certification ECU (smart key ECU assembly) when it is transmitting. "Yes" is displayed for the Data List item "Key Low Battery" when this voltage information indicates 2.2 V or less. This Data List item should be checked when the electrical key transmitter sub-assembly is at room temperature (example: at -20°C (-4°F), "Yes" may be displayed even if the transmitter battery is new). |
# Codes |
Number of DTCs |
0 to 255 |
- |
- |
Immobiliser |
Immobiliser system status determined by certification ECU (smart key ECU assembly) |
Set or Unset |
Set: Immobiliser set (engine start prohibited) (engine switch off) Unset: Immobiliser unset (engine start permitted) (engine switch on (ACC) or on (IG)) |
The engine cannot be started when Set is displayed. HINT:
|
Steering Lock Sleep Cond |
Steering lock ECU sleep availability |
No or Yes |
No: Sleep not available Yes: Sleep available |
- |
Steering Lock Start Cond |
Steering lock ECU wake up signal status |
No or Yes |
No: Wake up signal not sent Yes: Wake up signal sent |
- |
Engine Start Condition |
Status of engine start permission signal determined by steering lock ECU (steering lock actuator or upper bracket assembly) and sent to certification ECU (smart key ECU assembly) |
NG or OK |
NG: Engine start prohibited OK: Engine start permitted |
|
Sensor Value |
History of malfunction of position sensor in steering lock ECU (steering lock actuator or upper bracket assembly) (DTC B2781 is stored) |
OK or NG(Past) |
OK: History of malfunction for the lock or unlock sensor in the steering lock ECU (steering lock actuator or upper bracket assembly) does not exist. NG(Past): History of both the lock and unlock sensors in the steering lock ECU (steering lock actuator or upper bracket assembly) being on exists. (Under normal operation, neither sensor is on.) |
When NG(Past) is displayed, either the position sensor in the steering lock ECU (steering lock actuator or upper bracket assembly) or the assembly itself may be malfunctioning. |
Power Supply Short |
History of signal error (short) sent from certification ECU (smart key ECU assembly) to steering lock ECU (steering lock actuator or upper bracket assembly) (DTC B2782 is stored) |
OK or NG(Past) |
OK: History of motor power source short does not exist NG(Past): History of motor power source short exists |
This item displays history of a malfunction in the circuit between the certification ECU (smart key ECU assembly) and the steering lock ECU (steering lock actuator or upper bracket assembly). |
Motor Driver Short |
History of malfunction (short) in steering lock ECU (steering lock actuator or upper bracket assembly) motor circuit (DTC B2781 is stored) |
OK or NG(Past) |
OK: History of short in the motor circuit does not exist NG(Past): History of short in the motor circuit exists |
This item displays history of a malfunction in the steering lock motor circuit in the steering lock ECU (steering lock actuator or upper bracket assembly). |
Lock/Unlock Receive |
History of receiving an unlock request signal |
No or Yes |
No: History of receiving an unlock request signal does not exist Yes: History of receiving an unlock request signal exists |
- |
Lock Bar Stuck Error |
History of steering not being able to unlock properly when steering lock operates for a certain period of time |
OK or NG(Past) |
OK: History of steering lock being stuck does not exist NG(Past): History of steering lock being stuck exists |
- |
Engine Start Request |
Immobiliser unset (engine start permitted) signal from certification ECU (smart key ECU assembly) to ID code box (immobiliser code ECU) received state |
OK or NG |
OK: Signal received NG: Signal not received |
|
S Code Check |
Verification result between certification ECU (smart key ECU assembly) and ID code box (immobiliser code ECU) |
OK or NG |
OK: Verification result normal NG: Verification result abnormal |
When NG is displayed:
|
L Code Check |
Verification result between ID code box (immobiliser code ECU) and steering lock ECU (steering lock actuator or upper bracket assembly) |
OK or NG |
OK: Verification result normal NG: Verification result abnormal |
When NG is displayed:
|
Unlock Request Receive |
Unlock request signal received state |
OK or NG |
OK: Unlock request signal received within 10 seconds of engine switch being turned on (IG) or on (ACC) or of an engine start operation being performed NG: Engine switch not turned on (IG) or on (ACC) and engine start operation not being performed |
|
Lock Request Receive |
Lock request signal received state |
OK or NG |
OK: Lock request signal received within 10 seconds of any of the doors being opened with shift lever in P* and engine switch off. NG: Except above |
If OK is not displayed even though the steering lock conditions are met, the certification ECU (smart key ECU assembly) may be malfunctioning. |
S Code Check(Past) |
Verification result history between the certification ECU (smart key ECU assembly) and ID code box (immobiliser code ECU) |
OK or NG(Past) |
OK: History of abnormal verification result does not exist NG(Past): History of abnormal verification result exists |
- |
L Code Check(Past) |
Verification result history between the ID code box (immobiliser code ECU) and steering lock ECU (steering lock actuator or upper bracket assembly) |
OK or NG(Past) |
OK: History of abnormal verification result does not exist NG(Past): History of abnormal verification result exists |
- |
Steering Lock |
Steering lock ECU (steering lock actuator or upper bracket assembly) lock confirmation status |
Unset or Set |
Unset: Lock not confirmed Set: Lock confirmed |
When Unset is displayed, the steering is not locked. |
Steering Unlock |
Steering lock ECU (steering lock actuator or upper bracket assembly) unlock confirmation status |
Unset or Set |
Unset: Unlock not confirmed Set: Unlock confirmed |
When Unset is displayed, the steering is not unlocked (the engine cannot be started). |
Engine Start Indicator |
Key indicator display |
OFF or ON |
Customize setting displayed |
- |
Open in IG2 |
History of IG2 input of the steering lock ECU (steering lock actuator or upper bracket assembly) |
OK or NG(Past) |
OK: History of open in IG2 terminal circuit exists NG(Past): No history of open in IG2 terminal circuit exists |
When OK is displayed, the steering lock ECU (steering lock actuator or upper bracket assembly) has an IG2 input circuit malfunction. |
HINT:
*1: Press the engine switch with the brake pedal released and check that the engine switch turns on (ACC).
*2: Press the engine switch with the brake pedal released and check that the engine switch turns on (IG).
*3: Press the engine switch and check that the engine switch turns off.
*4: Release the brake pedal, open the driver side door and check that the steering locks.
Body Electrical > Starting Control > Data List
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|---|
Starter SW |
Starter operation request |
OFF or ON |
OFF: Starter operation not requested ON: Starter operation requested |
When OFF is displayed, the engine will not crank. |
Shift Position P or N |
Park/Neutral position switch status |
OFF or ON |
OFF: Shift lever not in P or N ON: Shift lever in P or N |
When OFF is displayed, the engine will not crank. |
Starter Relay |
Starter relay voltage monitor |
OFF or ON |
OFF: ST relay off ON: ST relay on |
When OFF is displayed the engine cannot be cranked. |
Starting Control SW |
Starter request signal monitor |
OFF or ON |
OFF: Starting control switch off ON: Starting control switch on |
When OFF is displayed, the engine cannot be cranked. |
Ignition |
IG2 status |
OFF or ON |
OFF: IG2 relay off ON: IG2 relay on |
- |
Engine Speed |
Engine speed |
0 to 16383 rpm |
Fluctuates in accordance with actual engine speed |
- |
Number of DTCs |
Number of DTCs |
0 to 255 |
- |
- |
HINT:
*: With the engine switch on (IG), the shift lever in P and the brake pedal depressed, press the engine switch and check that the engine starts.
Body Electrical > Combination Meter > Data List
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|---|
Vehicle Speed Meter |
Vehicle speed |
Min.: 0, Max.: 255 |
Almost same as actual vehicle speed (Speedometer tester) |
- |
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|---|
Stop Light SW |
Stop light switch |
OFF or ON |
OFF: Brake pedal released ON: Brake pedal depressed |
- |
ACTIVE TEST
HINT:
Using the Techstream to perform Active Tests allows relays, VSVs, actuators and other items to be operated without removing any parts. This non-intrusive functional inspection can be very useful because intermittent operation may be discovered before parts or wiring is disturbed. Performing Active Tests early in troubleshooting is one way to save diagnostic time. Data List information can be displayed while performing Active Tests.
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / (desired system) / Active Test.
(e) Perform Active Test according to the display on the Techstream.
Body Electrical > Power Source Control > Active Test
Tester Display |
Measurement Item |
Control Range |
Diagnostic Note |
---|---|---|---|
P Supply for Steering Lock |
Certification ECU (smart key ECU assembly) |
OFF/ON HINT: OFF: Power is not supplied. ON: Power is supplied. |
When performing this Active Test, make sure the following condition is met: The engine switch is on (IG). |
Tester Display |
Measurement Item |
Control Range |
Diagnostic Note |
---|---|---|---|
Power/Engine SW Light |
Engine switch light |
OFF/ON |
When performing this Active Test, make sure the following conditions are met: The engine switch illumination is off (15 seconds or more have elapsed since it turned off) and the engine switch is on (ACC) or on (IG), or the engine is running. |
Tester Display |
Measurement Item |
Control Range |
Diagnostic Note |
---|---|---|---|
Activate the Starter Relay |
ST relay |
OFF/ON |
When performing this Active Test, make sure the following conditions are met: The electrical key transmitter sub-assembly is in the cabin and the engine is stopped. |
Toyota CH-R Service Manual > Air Conditioning System(for Automatic Air Conditioning System With Top-mounted
Air Conditioner Pressure Sensor): Blower Motor Circuit
DESCRIPTION
The blower motor with fan sub-assembly is operated by signals from the air conditioning
amplifier assembly through the blower resistor. Blower motor speed signals are transmitted
in accordance with changes in the duty ratio. The blower motor speed becomes slower
when the duty inte ...
Toyota CH-R Service Manual > Windshield Deicer System: Terminals Of Ecu
TERMINALS OF ECU
CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY (for TMMT Made)
(a) Disconnect the F72 air conditioning amplifier assembly connector.
(b) Measure the voltage and resistance according to the value(s) in the table
below.
Tester Connection
Wiring Color
...