Last Modified: 4-30-2014 6.6 D Doc ID: RM000000PLO009X
Model Year: 2006 Model: LX470 Prod Date Range: [05/2005 -           ]
Title: CRUISE CONTROL: CRUISE CONTROL SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING; 2006 MY LX470 [05/2005 -        ]

HOW TO PROCEED WITH TROUBLESHOOTING

HINT:

  • Use these procedures to troubleshoot the cruise control system.
  • *: Use the intelligent tester.

1.

VEHICLE BROUGHT TO WORKSHOP

NEXT

2.

INSPECT BATTERY VOLTAGE

Standard voltage:

10 to 14 V

If the voltage is below 10 V, recharge or replace the battery before proceeding.

NEXT

3.

CHECK COMMUNICATION FUNCTION OF MULTIPLEX COMMUNICATION SYSTEM (BEAN)*

(a) Use the intelligent tester (with CAN VIM) to check if the Multiplex Communication System (MPX) is functioning normally.

Result:

Result

Proceed to

MPX DTC is not output

A

MPX DTC is output

B

B

Go to MULTIPLEX COMMUNICATION SYSTEM

A

4.

CHECK INDICATOR LIGHT

NEXT

5.

CHECK DTC*

(a) Check for DTC and note any codes that are output.

(b) Delete the DTC.

(c) Recheck for DTCs, and try to prompt the DTC by simulating the original activity that the DTC suggests.

Result

Proceed to

DTC does not reoccur

A

DTC reoccurs

B

B

Go to step 8

A

6.

PROBLEM SYMPTOMS TABLE

Result

Proceed to

Fault is not listed in problem symptoms table

A

Fault is listed in problem symptoms table

B

B

Go to step 8

A

7.

OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Terminals of ECM 2006 MY LX470 [05/2005 -        ]; CRUISE CONTROL: CRUISE CONTROL SYSTEM: TERMINALS OF ECM

(b) DATA LIST/ACTIVE TEST 2006 MY LX470 [05/2005 -        ]; CRUISE CONTROL: CRUISE CONTROL SYSTEM: DATA LIST / ACTIVE TEST

NEXT

8.

ADJUST, REPAIR OR REPLACE

NEXT

9.

CONFIRMATION TEST

NEXT

END