Engine. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
CHECK HARNESS AND CONNECTOR (EFI MAIN FUSE - ECM)
INSPECT BATTERY
CHECK BATTERY TERMINAL
CHECK WHETHER DTC OUTPUT RECURS
DESCRIPTION
The battery supplies electricity to the ECM even when the ignition switch is off. This power allows the ECM to store data such as DTC history, freeze frame data and fuel trim values. If the battery voltage falls below a minimum level, these memories are cleared and the ECM determines that there is a malfunction in the power supply circuit. When the engine is next started, the ECM illuminates the MIL and sets the DTC.DTC No.
| DTC Detection Condition
| Trouble Area
|
P0560
| Open in ECM back-up power source circuit (1 trip detection logic)
| - Open in back-up power source circuit
- ECM
|
- HINT:
- If DTC P0560 is set, the ECM does not store other DTCs.
WIRING DIAGRAM
INSPECTION PROCEDURE
- HINT:
- Read freeze frame data using the intelligent tester. The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can be helpful in determining whether the vehicle was running or stopped, whether the engine was warmed up or not, whether the air-fuel ratio was lean or rich, as well as other data recorded at the time of a malfunction (RAV4_ACA30 RM000000PDS09FX.html).
1.CHECK HARNESS AND CONNECTOR (EFI MAIN FUSE - ECM) |
Remove the EFI MAIN fuse from the engine room No. 1 relay block.
Disconnect the ECM connector.
Measure the resistance between the terminals.
- Standard resistance (Check for open):
Tester Connection
| Specified Condition
|
Engine room No. 1 R/B EFI MAIN fuse terminal 2 - BATT (A12-20)
| Below 1 Ω
|
- Standard resistance (Check for short):
Tester Connection
| Specified Condition
|
Engine room No. 1 R/B EFI MAIN fuse terminal 2 or BATT (A12-20) - Body ground
| 10 kΩ or higher
|
Connect the ECM connector.
Reinstall the EFI MAIN fuse.
| REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
Check that the battery is not depleted.
- OK:
- Battery is not depleted.
Check that the battery terminals are not loose or corroded.
- OK:
- Battery terminals are not loose or corroded.
| REPAIR OR REPLACE BATTERY TERMINAL |
|
|
4.CHECK WHETHER DTC OUTPUT RECURS |
Connect the intelligent tester to the DLC3.
Turn the ignition switch to the ON position.
Turn the intelligent tester on.
Clear the DTCs (RAV4_ACA30 RM000000PDK0AIX.html).
Turn the intelligent tester off.
Start the engine and turn the intelligent tester on.
Select the following menu items: Powertrain / Engine and ECT / DTC.
Read the DTCs.
- Result:
Display (DTC Output)
| Proceed to
|
P0560
| A
|
No output
| B
|