NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE POWER STEERING ECU See: Relays and Modules/Relays and Modules - Steering and Suspension/Relays and
Modules - Steering/Steering Control Module/Service and Repair/Removal
From 08/2009
POWER ASSIST SYSTEMS: POWER STEERING SYSTEM: C1552: PIG Power Supply Voltage Malfunction
DESCRIPTION
If a problem occurs in the power steering system, the power source relay circuit is shut off to stop the power assist.
WIRING DIAGRAM
INSPECTION PROCEDURE
NOTICE:
- If the power steering ECU has been replaced with a new one, perform the rotation angle sensor initialization and torque
sensor zero point calibration See: Steering and Suspension/Steering/Testing and Inspection/Programming and Relearning.
- Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
1. READ VALUE USING TECHSTREAM (PIG POWER SUPPLY)
(a) Turn the engine switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the engine switch on (IG).
(d) Turn the Techstream on.
(e) Enter the following menus: Chassis / EMPS / Data List.
(f) Select the item "PIG Power Supply" in the Data List and read the value displayed on the Techstream.
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