Toyota 4Runner: How To Proceed With Troubleshooting

Toyota 4Runner Service Manual / Suspension / Suspension Control / Kinetic Dynamic Suspension System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

*: Use the Techstream.

PROCEDURE

1.	VEHICLE BROUGHT TO WORKSHOP

2.	CUSTOMER PROBLEM ANALYSIS

3.	INSPECT BATTERY VOLTAGE

Standard voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding.

4.	INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

(a) Inspect the CAN communication function to make sure there are no malfunctions in the communication system (See page ).

Result	Proceed to
CAN DTC is not output	A
CAN DTC is output	B

GO TO CAN COMMUNICATION SYSTEM

5.	CHECK AND CLEAR DTC

(a) Check for DTCs (See page ).

6.	PROBLEM SYMPTOM CONFIRMATION

Result	Proceed to
Symptom does not occur	A
Symptom occurs	B

GO TO STEP 9

7.	SYMPTOM SIMULATION

8.	CHECK DTC*

(a) Check for DTCs (See page ).

Result	Proceed to
DTC is not output	A
DTC is output	B

GO TO STEP 10

9.	PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table (See page
).

GO TO STEP 12

10.

DTC CHART

(a) Refer to the Diagnostic Trouble Code Chart (See page ).

11.	CIRCUIT INSPECTION

12.	IDENTIFICATION OF PROBLEM

13.	REPAIR OR REPLACE

14.	CONFIRMATION TEST

END

System Diagram

SYSTEM DIAGRAM Communication Table Sender Receiver Signal Line ECM Stabilizer control ECU Engine type i ...

System Description

SYSTEM DESCRIPTION 1. DESCRIPTION (a) System description In the KDSS (Kinetic Dynamic Suspension System), a cylinder is installed to each of the front and rear stabilizer bars. The front and rear ...

Other materials about Toyota 4Runner:

How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT IMPORTANT POINTS CONCERNING TROUBLESHOOTING CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system. NOTICE: Refer to the troubleshooting procedures ...

Diagnosis System
DIAGNOSIS SYSTEM 1. DIAGNOSIS SYSTEM (a) Indicator light (1) During vehicle stabilizer control operation, the KDSS indicator light comes on when there is a malfunction in the KDSS. NOTICE: When the malfunction has been corrected, the KDSS indica ...