CAUTION / NOTICE / HINT
HINT:
PROCEDURE
1. |
VEHICLE BROUGHT TO WORKSHOP |
|
2. |
CUSTOMER PROBLEM ANALYSIS |
HINT:
What |
Vehicle model, system name |
When |
Date, time, occurrence frequency |
Where |
Whether the problem occurs at a specific location |
Under what conditions? |
Whether the doors were locked or unlocked, whether the ignition switch was on, whether the engine was running. |
How did it happen? |
Problem symptoms |
|
3. |
INSPECT BATTERY VOLTAGE |
(a) Measure the battery voltage.
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
|
4. |
CRANK ENGINE FOR MORE THAN 10 SECONDS |
|
5. |
CHECK FOR DTC* (ECM) |
(a) Check for DTCs and note any codes that are output.
Powertrain > Engine and ECT > Trouble CodesHINT:
Before checking for DTCs, perform the "DTC Output Confirmation Operation" of each diagnostic procedure.
Result |
Proceed to |
---|---|
DTCs are not output |
A |
SFI system DTCs are output (w/o Canister Pump Module) |
B |
SFI system DTCs are output (w/ Canister Pump Module) |
C |
Immobiliser system DTCs are output |
D |
B | ![]() |
GO TO DIAGNOSTIC TROUBLE CODE CHART |
C | ![]() |
GO TO DIAGNOSTIC TROUBLE CODE CHART |
D | ![]() |
GO TO DIAGNOSTIC TROUBLE CODE CHART |
|
6. |
CHECK FOR DTC* (TRANSPONDER KEY ECU ASSEMBLY) |
(a) Check for DTCs and note any codes that are output.
Body Electrical > Immobiliser > Trouble CodesHINT:
Before checking for DTCs, perform the "DTC Output Confirmation Operation" of each diagnostic procedure.
Result |
Proceed to |
---|---|
DTCs are not output |
A |
Immobiliser system DTCs are output |
B |
B | ![]() |
GO TO DIAGNOSTIC TROUBLE CODE CHART |
|
7. |
PROBLEM SYMPTOMS TABLE |
(a) Refer to Problem Symptoms Table.
Click here
Result |
Proceed to |
---|---|
Fault is not listed in problem symptoms table |
A |
Fault is listed in problem symptoms table |
B |
B | ![]() |
GO TO STEP 9 |
|
8. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Data List / Active Test.
Click here
(b) Terminals of ECU.
Click here
|
9. |
REPAIR OR REPLACE |
HINT:
If the transponder key ECU assembly, ECM, or key are replaced, refer to Registration.
Click here
|
10. |
CHECK FOR DTC* |
(a) Clear the DTCs.
Body Electrical > Immobiliser > Clear DTCs Powertrain > Engine and ECT > Trouble Codes(b) Check for DTCs.
Body Electrical > Immobiliser > Trouble Codes Powertrain > Engine and ECT > Clear DTCsHINT:
Before checking for DTCs, perform the "DTC Output Confirmation Operation" of each diagnostic procedure.
Result |
Proceed to |
---|---|
DTCs are not output |
A |
Immobiliser system DTCs are output |
B |
A | ![]() |
END |
B | ![]() |
GO TO DIAGNOSTIC TROUBLE CODE CHART |
Toyota CH-R Service Manual > Continuously Variable Transaxle System: Transmission Fluid Pressure Sensor/Switch "A" Circuit Low (P0842,P0843)
DESCRIPTION
The ECM performs learning control for the belt clamping pressure based on the
belt clamping pressure signal, which is output by the oil pressure sensor.
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
MIL
M ...
Toyota CH-R Service Manual > Smart Key System(for Entry Function): New Key Registration Warning Message is not Displayed
DESCRIPTION
If the new key registration warning message is not displayed after an electrical
key transmitter sub-assembly has been registered, there may be communication problem
between the certification ECU (smart key ECU assembly) and combination meter assembly
(meter ECU).
CAUTION / NOTIC ...