| DTC Code | DTC Name |
|---|---|
| P0560-117 | System Voltage |
DESCRIPTION
Battery power is constantly supplied to the BATT terminal of the hybrid vehicle control ECU to allow DTCs and freeze frame data to be retained in memory even though the ignition switch is turned off. The back-up power is supplied even when the ignition switch is off.
| DTC No. | INF Code | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| P0560 | 117 | Malfunction in the hybrid vehicle control ECU back-up power source circuit (1 trip detection logic) |
|
| DTC No. | Data List |
|---|---|
| P0560-117 | +B |
WIRING DIAGRAM
| *a | MAIN |
| *b | ECU-B NO. 2 |
| *c | Auxiliary Battery |
| *d | Hybrid Vehicle Control ECU |
CAUTION / NOTICE / HINT
Tech Tips
After the repair, clear the DTCs and perform the following procedure to check that DTCs are not output.
Turn the ignition switch to ON (IG) and wait for a few seconds.
PROCEDURE
CHECK CONNECTOR CONNECTION CONDITION (HYBRID VEHICLE CONTROL ECU CONNECTOR)
| *A | for LHD |
| *B | for RHD |
Check the connector connections and contact pressure of the relevant terminals for the hybrid vehicle control ECU connectors Click here.
| OK |
|---|
| The connectors are connected securely and there are no contact pressure problems. |
| NG |
|
CONNECT SECURELY |
| OK |
|
CHECK AUXILIARY BATTERY TERMINAL (CONTACT PROBLEM)
Check the connection of the auxiliary battery terminal.
| OK |
|---|
| The terminal is connected securely and there is no contact problem. |
| NG |
|
CONNECT SECURELY |
| OK |
|
INSPECT AUXILIARY BATTERY
| NG |
|
CHARGE OR REPLACE AUXILIARY BATTERY |
| OK |
|
CHECK FUSE (ECU-B NO. 2)
Remove the ECU-B NO. 2 fuse from the No. 2 engine room relay block.
| *1 | No. 2 Engine Room Relay Block |
| *2 | ECU-B NO. 2 Fuse |
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||
|---|---|---|---|---|---|---|
|
Install the ECU-B NO. 2 fuse.
| NG |
|
REPLACE FUSE (ECU-B NO. 2) |
| OK |
|
CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU - ECU-B NO. 2 FUSE)
Remove the ECU-B NO. 2 fuse from the No. 2 engine room relay block.
Disconnect the hybrid vehicle control ECU connector.
Measure the resistance according to the value(s) in the table below.
Note
When taking measurements with a tester, do not apply excessive force to the tester probes to avoid damaging the fuse holder or terminals.
| *1 | No. 2 Engine Room Relay Block | *2 | ECU-B NO. 2 Fuse holder |
| *a | Rear view of wire harness connector (to Hybrid Vehicle Control ECU) |
- | - |
| Standard Resistance (Check for Open) | ||||||
|---|---|---|---|---|---|---|
|
| Standard Resistance (Check for Short) | ||||||
|---|---|---|---|---|---|---|
|
Install the ECU-B NO. 2 fuse.
Connect the hybrid vehicle control ECU connector.
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
CHECK HARNESS AND CONNECTOR (ECU-B NO. 2 FUSE - AUXILIARY BATTERY POSITIVE TERMINAL)
Remove the ECU-B NO. 2 fuse from the No. 2 engine room relay block.
| *1 | No. 2 Engine Room Relay Block |
| *2 | ECU-B NO. 2 Fuse holder |
Measure the voltage according to the value(s) in the table below.
| Standard Voltage | ||||||
|---|---|---|---|---|---|---|
|
Install the ECU-B NO. 2 fuse.
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
RECONFIRM DTC OUTPUT (HYBRID CONTROL)
Connect the GTS to the DLC3.
Turn the ignition switch to ON (IG).
Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
Recheck for DTCs.
| Result | ||||||
|---|---|---|---|---|---|---|
|
Tech Tips
If DTC P0560-117 is output after this inspection, replace the hybrid vehicle control ECU. If the DTC is not output, check for intermittent problems Click here because there may be a malfunction in the wire harness or connector.
| A |
|
REPLACE HYBRID VEHICLE CONTROL ECU Click here |
| B |
|
CHECK FOR INTERMITTENT PROBLEMS Click here |