LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2004 >> SC 430 >> Repair and Diagnosis >> Steering >> Electronic Steering >> Progressive Power Steering System - Diagnosis >> Problem Symptoms Table
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Problem Symptoms Table

DTC INDEX

DTC Description
DTC C1560  PPS SOLENOID MALFUNCTION 1
DTC C1561  PPS SOLENOID MALFUNCTION 2

If normal code is displayed during the DTC check but the problem still occurs, check the circuits for each problem symptom in the order given in the Fig 1 and proceed to the relevant troubleshooting page.

NOTE: When replacing skid control ECU assy, power steering solenoid valve assy, turn the ignition switch OFF. 
Fig 1: Progressive Power Steering Problem Symptom Table
G01448474Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002