Dtc C1552/22 Pig Power Supply Voltage Malfunction
Steering. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
READ VALUE USING INTELLIGENT TESTER (PIG POWER SUPPLY)
CHECK WIRE HARNESS (BATTERY - POWER STEERING ECU)
DTC C1552/22 PIG Power Supply Voltage Malfunction |
DESCRIPTION
When a problem occurs in the system, the power source relay circuit is shut off to stop the power assist.DTC No.
| DTC Detection Condition
| Trouble Area
|
C1552/22
| PIG power source circuit malfunction inside ECU
| - PIG power source circuit
- Power steering ECU
|
WIRING DIAGRAM
INSPECTION PROCEDURE
| 1.READ VALUE USING INTELLIGENT TESTER (PIG POWER SUPPLY) |
Connect the intelligent tester to the DLC3.
Turn the ignition switch on (IG) and press the intelligent tester main switch ON.
Select the item "PIG Power Supply" in the Data List and read the value displayed on the intelligent tester.
- Power steering ECU:
Tester Display
| Measurement Item/Range
| Normal Condition
| Specified Condition
|
PIG Power Supply
| PIG power supply:
Min.: 0 V
Max.: 20.1531 V
| Power steering in operation
| 10 to 14 V
|
| | CHECK INTERMITTENT PROBLEMS |
|
|
| 2.CHECK WIRE HARNESS (BATTERY - POWER STEERING ECU) |
Disconnect the A2 ECU connector.
Measure the voltage of the wire harness side connector.
- Standard voltage:
Tester Connection
| Specified Condition
|
A2-1 (PIG) - A2-2 (PGND)
| 10 to 14 V
|
| | REPAIR OR REPLACE HARNESS AND CONNECTOR |
|
|
| OK |
|
|
|
| REPLACE POWER STEERING ECU |
|
