P0560

DTC P0560

DTC Detecting Condition and Trouble Area






Wiring Diagram










DTC Confirmation Procedure

1) Run engine at idle speed for 10 sec.

Circuit Description

Battery voltage is supplied so that DTC memory, values for engine control learned by ECM, etc. are kept in ECM even when the ignition switch is turned OFF.

DTC Troubleshooting

1.
Was "Engine and Emission Control System Check" performed?
YES -
Go to Step 2.
NO -
Go to Engine and Emission Control System Check Engine and Emission Control System Check.

2. Backup power supply circuit check

Turn OFF ignition switch and disconnect connectors from ECM.
Check for proper terminal connection to ECM connectors.
If connections are OK, turn ignition switch to ON position.
Check that voltage between backup power supply circuit (A1) and vehicle body ground is battery voltage.

Is it in good condition?
YES -
Check for intermittent trouble. Intermittent and Poor Connection Inspection
If OK, substitute a known-good ECM and recheck.
NO -
"DOME" fuse blown, ECM backup power supply circuit is open or short to ground circuit, or charging system faulty.