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.
|
Symptom | Suspected Area |
Link |
|---|---|---|
|
Engine does not crank (Does not start) |
Hybrid control system |
|
|
VC output circuit (ECM 5 V output) |
| |
|
No initial combustion (Does not start) |
ECM power source circuit |
|
|
VC output circuit (ECM 5 V output) |
| |
|
Ignition system |
| |
|
Fuel pump control circuit |
| |
|
Port fuel injector assembly |
| |
|
Direct fuel injector assembly |
| |
|
Fuel pump (for low pressure side) |
| |
|
Crankshaft position sensor |
| |
|
Intake system |
| |
|
Valve timing |
| |
|
EGR valve assembly |
| |
|
Engine cranks normally but difficult to start |
ECM power source circuit |
|
|
Throttle body with motor assembly |
| |
|
Fuel pump assembly (for high pressure side) |
| |
|
Fuel pump (for low pressure side) |
| |
|
Engine coolant temperature sensor |
| |
|
Fuel pump control circuit |
| |
|
Ignition system |
| |
|
Spark plug |
| |
|
Compression |
| |
|
Port fuel injector assembly |
| |
|
Direct fuel injector assembly |
| |
|
Crankshaft position sensor |
| |
|
Intake system |
| |
|
Valve timing |
| |
|
EGR valve assembly |
| |
|
Incomplete intermittent combustion occurs (Does not start) |
Fuel pump control circuit |
|
|
Fuel pump (for low pressure side) |
| |
|
Ignition system |
| |
|
Port fuel injector assembly |
| |
|
Direct fuel injector assembly |
| |
|
Crankshaft position sensor |
| |
|
Intake system |
| |
|
Valve timing |
| |
|
High engine speed | Throttle body with motor assembly |
|
|
ECM power source circuit |
| |
|
PCV system |
| |
|
Low engine speed (Poor idle) |
Fuel pump control circuit |
|
|
Throttle body with motor assembly |
| |
|
Port fuel injector assembly |
| |
|
Direct fuel injector assembly |
| |
|
Fuel pump assembly (for high pressure side) |
| |
|
PCV system |
| |
|
Intake system |
| |
|
Rough idle | Rough idling |
|
|
Throttle body with motor assembly |
| |
|
Port fuel injector assembly |
| |
|
Direct fuel injector assembly |
| |
|
Fuel pump assembly (for high pressure side) |
| |
|
Ignition system |
| |
|
Air fuel ratio sensor (sensor 1) |
| |
|
Air fuel ratio sensor (sensor 2) |
| |
|
Mass air flow meter sub-assembly |
| |
|
E.F.I. vacuum sensor assembly |
| |
|
Compression |
| |
|
Fuel pump control circuit |
| |
|
Spark plug |
| |
|
Intake system |
| |
|
Valve timing |
| |
|
EGR valve assembly |
| |
|
Hunting (Poor idle) | Throttle body with motor assembly |
|
|
ECM power source circuit |
| |
|
Fuel pump control circuit |
| |
|
Spark plug |
| |
|
Intake system |
| |
|
Drive start control |
| |
|
Hesitation/Poor acceleration (Poor driveability) |
Port fuel injector assembly |
|
|
Direct fuel injector assembly |
| |
|
Fuel pump control circuit |
| |
|
Fuel pump assembly (for high pressure side) |
| |
|
Ignition system |
| |
|
Spark plug |
| |
|
Intake system |
| |
|
Valve timing |
| |
|
Brake override system |
| |
|
Drive start control |
| |
|
Surging (Poor driveability) |
Fuel pump control circuit |
|
|
Fuel pump (for low pressure side) |
| |
|
Spark plug |
| |
|
Port fuel injector assembly |
| |
|
Direct fuel injector assembly |
| |
|
Engine stalls soon after starting |
Fuel pump control circuit |
|
|
Throttle body with motor assembly |
| |
|
Crankshaft position sensor |
| |
|
Ignition system |
| |
|
Fuel pump assembly (for high pressure side) |
| |
|
Intake system |
| |
|
Valve timing |
| |
|
EGR valve assembly |
| |
|
MIL (Malfunction Indicator Lamp) malfunction |
MIL Circuit |
|
|
Meter/Gauge system |
|
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READ NEXT:
Terminals Of Ecm
TERMINALS OF ECM
HINT: The standard voltage, resistance and waveform between each pair of the ECM terminals are shown in the table below. The appropriate conditions for checking each pair of the te
Diagnosis System
DIAGNOSIS SYSTEM OBD II (except Mexico Models)
When troubleshooting OBD II (On-Board Diagnostics) vehicles, the GTS (complying with SAE J1978) must be connected to the DLC3 (Data Link Connector 3)
Dtc Check / Clear
DTC CHECK / CLEAR NOTICE: When the diagnosis system is changed from normal mode to check mode or vice versa, all DTCs and Freeze Frame Data recorded in normal mode are cleared. Before changing modes,
SEE MORE:
Battery Circuit or Ground Circuit Energization Malfunction (B228B00)
DESCRIPTION This DTC is stored when there is a malfunction in the certification ECU (smart key ECU assembly) auxiliary battery power supply circuit or ground circuit.
DTC No. Detection Item
DTC Detection Condition Trouble Area
Note B228B00
Battery Circuit or Ground Circ
Right Front Wheel ABS Hold Solenoid Control Circuit Short to Battery (C12BB12,...,C12C649)
DESCRIPTION
The ABS solenoid relay and solenoid valves are built into the
brake actuator assembly.
The front solenoid valve RH controls the brake fluid pressure
of the front wheel cylinder RH of the vehicle.
When this DTC is stored, the fail-safe function operates and
the ABS solenoid relay
