Toyota Corolla Cross: 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 checking the suspected areas in the order they are listed. Replace parts as necessary.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
Immobiliser System
|
Symptom | Suspected Area |
Link |
| Engine does not start because no initial combustion occurs |
SFI system |
|
|
Engine does not start but initial combustion occurs |
Proceed to "Engine does not Start but Initial Combustion Occurs" |
|
|
Security indicator light does not blink |
Proceed to "Security Indicator Light Does not Blink" |
|
|
Key cannot be registered | Proceed to "Key Cannot be Registered" |
|
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TERMINALS OF ECU CHECK TRANSPONDER KEY ECU ASSEMBLY
(a) Disconnect the I67 transponder key ECU assembly connector.
(b) Measure the resistance and voltage according to the value(s) in the table be
DIAGNOSIS SYSTEM DESCRIPTION (a) The transponder key ECU assembly controls the immobiliser system. Immobiliser system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link
DATA LIST / ACTIVE TEST DATA LIST 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
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DESCRIPTION
The transmission revolution sensor (NC1) detects the intermediate shaft (C1 clutch)
speed and sends it to the TCM.
The TCM determines if gear mode should be entered by comparing the transmission
revolution sensor (NT) and (NC1) signals.
DTC No.
Detection Item
REMOVAL
CAUTION / NOTICE / HINT
COMPONENTS (REMOVAL)
Procedure
Part Name Code
1
SECURE VEHICLE
-
-
-
2
NO. 1 ENGINE UNDER COVER ASSEMBLY