Power Tilt And Power Telescopic Steering Column System Problem Symptoms Table

Steering. Lexus Is250, Is220D. Gse20 Ale20
Steering Column. Lexus Is250, Is220D. Gse20 Ale20

Power Tilt And Power Telescopic Steering Column System -- Problem Symptoms Table


The power tilt & power telescopic steering column system uses the multiplex communication system, so check its diagnostic system before proceeding to troubleshooting. The table below will be useful in troubleshooting these electrical systems. The numbered suspected areas indicate the likelihood of the cause in descending order. Inspect each part in the order shown, and replace if a fault is found.
  1. If the instruction "PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE" is given in the flow chart on the following pages, proceed to the circuit with the next highest number in the table below to continue the check.
  1. If the problem still occurs when there is no abnormality in the related circuits, check the multiplex tilt & telescopic ECU and replace it if necessary.

POWER TILT AND POWER TELESCOPIC STEERING COLUMN SYSTEM:
Symptom
Suspected area
See page
Only manual switch does not operate
1. Tilt & telescopic manual switch circuit
Click here
2. Windshield wiper switch assembly (Combination switch ECU)
Click here
3. Multiplex tilt & telescopic ECU
Click here
Only auto away/return function does not operate
1. Check customize status of auto away function using intelligent tester
Click here
2. IG power source circuit
Click here
3. Multiplex tilt & telescopic ECU
Click here
Only auto away function does not operate
1. Push button start function
Click here
2. Multiplex tilt & telescopic ECU
Click here
Only auto return function does not operate
1. Push button start function
Click here
2. Multiplex tilt & telescopic ECU
Click here
Only memory function does not operate
1. Seat position memory switch
Click here
2. Multiplex tilt & telescopic ECU
Click here