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 the system before inspecting the suspected areas below.
- If the problem occurs in certain locations or times of day, the possibility of wave interference is high.
- If a malfunction occurred after optional components were installed by the dealer, check if there is wave interference from the components.
|
Symptom | Suspected Area |
Link |
|---|---|---|
|
Power source mode does not change to ON or ACC |
Smart key system (for Entry Function) |
|
|
Wireless charging system* | ||
|
Affected by wave interference | ||
|
Transmitter battery | ||
|
Electrical key transmitter sub-assembly | ||
|
No. 1 indoor electrical key antenna assembly (front floor) | ||
|
Power switch | ||
|
Wire harness or connector | ||
|
Power distribution box assembly | ||
|
Certification ECU (Smart key ECU assembly) | ||
|
Power source mode does not change to ON |
Wire harness or connector |
|
|
Relay | ||
| Power distribution box assembly | ||
|
Certification ECU (Smart key ECU assembly) | ||
|
Power source mode does not change to ACC |
Wire harness or connector |
|
|
Relay | ||
| Power distribution box assembly | ||
|
Certification ECU (Smart key ECU assembly) | ||
|
Power source mode does not change to ON (READY) |
Hybrid control system |
|
|
Immobiliser function | ||
|
Wire harness or connector | ||
|
Shift lock control unit assembly | ||
|
Stop light switch assembly | ||
|
Certification ECU (Smart key ECU assembly) | ||
|
Only +BA power source mode does not operate correctly |
Smart key system (for Entry Function) |
|
|
Wireless door lock control system |
| |
|
Power Door Lock Control System |
| |
|
Power distribution box assembly |
| |
|
New key cannot be registered |
LIN communication system |
|
|
Meter / gauge system | ||
|
Reregistration | ||
|
Electrical key transmitter sub-assembly | ||
|
ID code box (Immobiliser code ECU) | ||
|
Certification ECU (Smart key ECU assembly) | ||
|
Additional key cannot be registered |
Smart key system (for Start Function) |
|
|
Electrical key transmitter sub-assembly | ||
|
ID code box (Immobiliser code ECU) | ||
|
Certification ECU (Smart key ECU assembly) | ||
|
New key registration warning message is not displayed |
Lighting system (int) |
|
|
Meter / gauge system | ||
|
Certification ECU (Smart key ECU assembly) | ||
|
Security indicator light does not blink |
Wire harness or connector |
|
|
Security indicator light (air conditioning control assembly) | ||
|
Main body ECU (Multiplex network body ECU) | ||
|
Certification ECU (Smart key ECU assembly) | ||
|
Immobiliser system does not operate properly |
Communication ID registration was defective |
|
|
Hybrid control system | ||
|
Wire harness or connector | ||
|
ID code box (Immobiliser code ECU) | ||
|
Hybrid vehicle control ECU | ||
|
System malfunction message is displayed on the multi-information display |
Smart key system (for Entry Function) |
|
|
Smart key system (for Start Function) | ||
|
Certification ECU (Smart key ECU assembly) | ||
|
Electronically controlled brake system |
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- *: w/ Wireless Charging System
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Terminals Of Ecu
TERMINALS OF ECU
NOTICE:
When performing an inspection, make sure that "ACC Customize" is set to "ON" using the multi-display.
Click here
When "ACC Customize" is set to "ON" (ACC supply po
Data List / Active Test
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 whethe
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Smart Key System (for Start Function)
DTC No. Detection Item
Link B227111
IG Circuit Short to Ground
B227411 ACC Circuit Short t
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Actuator Cut Circuit Stuck Off (P16B09F)
MONITOR DESCRIPTION The ECM monitors the operation of the throttle actuator. When a malfunction is detected in the throttle actuator cut circuit immediately after the ignition switch is turned off, the ECM illuminates the MIL and stores a DTC.
DTC No. Detection Item
DTC Detection Condit
Utility
UTILITY
Transition to Online Axis Alignment Mode
NOTICE:
This utility transitions to online axis alignment mode of the millimeter
wave radar sensor assembly.
(a) Following the instructions on the GTS, perform "Transition
to Online Axis Alignment Mode".
Body Electrical > Front R
