Dtc P0562 System Voltage. Corolla ZZE150
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
INSPECT TCM
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 the learning value of actuators, 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. If an open or short circuit occurs in the +B circuit while the ignition switch is on (IG), the TCM stops operating immediately.DTC No.
| DTC Detection Condition
| Trouble Area
|
P0562
| +B terminal voltage 7.0 V or less for 0.5 seconds or more
(1-trip detection logic)
| - Open or short in power source circuit
- TCM
|
WIRING DIAGRAM
INSPECTION PROCEDURE
Disconnect the TCM connectors.
Measure the resistance according to the value(s) in the table below.
- Standard resistance:
Tester Connection
| Condition
| Specified Condition
|
E33-6 (GND) - Body ground
| Always
| Below 1 Ω
|
A29-8 (PGND) - Body ground
| ↑
| Below 1 Ω
|
Measure the voltage between the terminals of the TCM connectors.
- Standard voltage:
Tester Connection
| Condition
| Specified Condition
|
E33-1 (+B) - E33-6 (GND)
| Always
| 11 to 14 V
|
Reconnect the TCM connectors.
| | REPAIR OR REPLACE HARNESS OR CONNECTOR (TCM - BATTERY, BODY GROUND) |
|
|
