DESCRIPTION
The battery supplies electricity to the TCM even when the ignition switch is off. This power allows the TCM to store data such as DTC history and freeze frame data. If the battery voltage falls below a minimum level, these memories are cleared and the TCM determines that there is a malfunction in the power supply circuit. When the engine is next started, the TCM will illuminate the MIL and set the DTC.
DTC No. |
DTC Detection Condition |
Trouble Area |
---|---|---|
P0560 |
Open in TCM back-up power source circuit. DTC is detected for 3 sec. or more (1 trip detection logic). |
|
HINT:
If DTC P0560 is set, the TCM does not store other DTCs.
MONITOR STRATEGY
Related DTCs |
P0560: TCM system voltage |
Required Sensors/Components (Main) |
TCM |
Required Sensors/Components (Sub) |
- |
Frequency of Operation |
Continuous |
Duration |
3 seconds |
MIL Operation |
Immediate (MIL illuminated after next engine start) |
Sequence of Operation |
None |
TYPICAL ENABLING CONDITIONS
Monitor runs whenever following DTCs are not present: |
None |
TYPICAL MALFUNCTION THRESHOLDS
TCM power source |
Less than 3.5 V |
Stand-by RAM |
Initialized |
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Perform the universal trip to clear permanent DTCs (See page
).
PROCEDURE
1. |
CHECK DTC OUTPUT |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Engine / DTC.
(e) Read the DTCs using the Techstream.
Display (DTC Output) |
Proceed to |
---|---|
No DTC |
A |
P0560 is output (engine control system) |
B |
B | ![]() |
GO TO DTC P0560 (ENGINE CONTROL SYSTEM / SFI SYSTEM) |
|
2. |
INSPECT TCM (POWER SOURCE, GROUND) |
(a) Disconnect the TCM connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
B40-1 (BATT) - B40-8 (E1) |
Always |
11 to 14 V |
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
B40-8 (E1) - Body ground |
Always |
Below 1 Ω |
*1 |
Front view of wire harness connector (to TCM) |
OK | ![]() |
REPLACE TCM |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (TCM - BATTERY, BODY GROUND) |
Sliding Roof Switch Assembly
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE MAP LIGHT ASSEMBLY
Inspection
INSPECTION
PROCEDURE
1. INSPECT SLIDING ROOF SWITCH (ROOF CONSOLE BOX ASSEMBLY)
(a) Measure the resistance according to the value(s) in ...
Internal Control Module Monitoring Processor Performance (P060A)
MONITOR DESCRIPTION
The main CPU and sub CPU of the ECM perform data communication between each other.
The main CPU monitors the communications and WDC pulses from the sub CPU. When the
signal malfunctions below are detected, the DTC is output.
...
Open in Stop Light Switch Circuit (C1249/49)
DESCRIPTION
The skid control ECU (housed in the actuator assembly) inputs the stop light
switch signal and the condition of brake operation.
The skid control ECU has an open detection circuit, which outputs this DTC when
detecting an open in the stop lig ...