DESCRIPTION
WIRING DIAGRAM
Refer to "System Diagram".
Click here
CAUTION / NOTICE / HINT
NOTICE:
If the transponder key ECU assembly or key is replaced, refer to Registration.
Click here
PROCEDURE
1. |
CLEAR DTC |
(a) Clear the DTCs.
Powertrain > Engine and ECT > Clear DTCs
|
2. |
CHECK FOR DTC |
(a) Check for DTCs.
Body Electrical > Immobiliser > Trouble Codes Powertrain > Engine and ECT > Trouble CodesHINT:
Before checking for DTCs, perform the "DTC Output Confirmation Operation" procedure.
Result |
Proceed to |
---|---|
DTCs are not output |
A |
DTCs are output |
B |
B | ![]() |
GO TO DIAGNOSTIC TROUBLE CODE CHART |
|
3. |
READ VALUE USING TECHSTREAM (IMMOBILISER FUEL CUT) |
(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 / Engine / Data List.
(e) Read the Data List according to the display on the Techstream.
Powertrain > Engine and ECT > Data List
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|---|
Immobiliser Fuel Cut |
Status of immobiliser system fuel cut |
OFF/ON |
- |
- |
Tester Display |
---|
Immobiliser Fuel Cut |
OK:
OFF is displayed after the engine is started.
Result |
Proceed to |
---|---|
OK (w/o Canister Pump Module) |
A |
OK (w/ Canister Pump Module) |
B |
NG |
C |
A | ![]() |
GO TO SFI SYSTEM |
B | ![]() |
GO TO SFI SYSTEM |
|
4. |
CHECK SECURITY INDICATOR LIGHT OPERATION |
(a) Check that the security indicator light turns off when a registered key is inserted into the ignition key cylinder.
OK:
Security indicator light turns OFF.
OK | ![]() |
GO TO ENGINE DOES NOT START BUT INITIAL COMBUSTION OCCURS |
|
5. |
CHECK SECURITY INDICATOR LIGHT OPERATION |
(a) Check that the security indicator light turns off when another registered key is inserted into the ignition key cylinder.
OK:
Security indicator light turns OFF.
NG | ![]() |
GO TO STEP 7 |
|
6. |
CHECK WHETHER ENGINE STARTS |
(a) Using another registered key, turn the ignition switch to ON.
(b) Check that the engine starts 5 seconds after the ignition switch was turned to ON.
OK:
Engine starts normally.
Result |
Proceed to |
---|---|
Engine can be started |
A |
Engine cannot be started |
B |
A | ![]() |
GO TO STEP 11 |
B | ![]() |
GO TO ENGINE DOES NOT START BUT INITIAL COMBUSTION OCCURS |
7. |
REPLACE TRANSPONDER KEY COIL |
(a) Replace the transponder key coil.
Click here
|
8. |
CHECK WHETHER ENGINE STARTS |
(a) Using a registered key, turn the ignition switch to ON.
(b) Check that the engine starts 5 seconds after the ignition switch was turned to ON.
OK:
Engine starts normally.
Result |
Proceed to |
---|---|
Engine can be started |
A |
Engine cannot be started |
B |
A | ![]() |
END (TRANSPONDER KEY COIL WAS DEFECTIVE) |
|
9. |
REPLACE TRANSPONDER KEY ECU ASSEMBLY |
(a) Replace the transponder key ECU assembly with a new one.
Click here
HINT:
Refer to Registration.
Click here
NOTICE:
Key ID code registration is necessary when replacing the transponder key ECU assembly.
Click here
|
10. |
CHECK WHETHER ENGINE STARTS |
(a) Using a registered key, turn the ignition switch to ON.
(b) Check that the engine starts 5 seconds after the ignition switch was turned to ON.
OK:
Engine starts normally.
Result |
Proceed to |
---|---|
Engine can be started |
A |
Engine cannot be started |
B |
A | ![]() |
END (TRANSPONDER KEY ECU ASSEMBLY WAS DEFECTIVE) |
|
11. |
REPLACE KEY |
(a) Replace the key.
NOTICE:
Key ID code registration is necessary when replacing the key.
Click here
|
12. |
CHECK WHETHER ENGINE STARTS |
(a) Using a registered key, turn the ignition switch to ON.
(b) Check that the engine starts 5 seconds after the ignition switch was turned to ON.
OK:
Engine starts normally.
Result |
Proceed to |
---|---|
Engine can be started |
A |
Engine cannot be started (w/o Canister Pump Module) |
B |
Engine cannot be started (w/ Canister Pump Module) |
C |
A | ![]() |
END (KEY WAS DEFECTIVE) |
B | ![]() |
GO TO SFI SYSTEM |
C | ![]() |
GO TO SFI SYSTEM |
Toyota CH-R Service Manual > Airbag System: Front Airbag Sensor RH Malfunction (B1610/13)
DESCRIPTION
The front airbag sensor RH circuit consists of the airbag sensor assembly and
front airbag sensor RH.
The front airbag sensor RH detects impacts to the vehicle and sends signals to
the airbag sensor assembly to determine if the airbags and pretensioners should
be deployed.
DTC B ...
Toyota CH-R Service Manual > Steering Lock System: 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 sy ...