| Last Modified: 11-29-2007 | 1.6 D | |
| Service Category: Engine/Hybrid System | Section: Cruise Control | |
| Model Year: 2008 | Model: Sequoia | Doc ID: RM000000YVQ013X |
| Title: CRUISE CONTROL: DYNAMIC LASER CRUISE CONTROL SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING (2008 Sequoia) | ||
HOW TO PROCEED WITH TROUBLESHOOTING
HINT:
- Use these procedures to troubleshoot the dynamic radar cruise control system.
- *: Use the Techstream.
|
1. |
VEHICLE BROUGHT TO WORKSHOP |
|
|
2. |
INSPECT BATTERY VOLTAGE |
Standard Voltage:
11 to 14 V
If the voltage is below 11 V, replace or recharge the battery before proceeding.
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3. |
CHECK COMMUNICATION FUNCTION OF CONTROLLER AREA NETWORK (CAN)* |
(a) Use the Techstream to check for normal function of CAN communication system.
(1) Perform bus check (communication malfunction DTC).
(2) Perform bus check (communication bus check).
Result
|
Result |
Proceed to |
|---|---|
|
DTC is not output |
A |
|
DTC is output |
B |
| B |
|
GO TO CAN COMMUNICATION SYSTEM |
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4. |
CHECK FOR DTC* |
Refer to DTC Check/Clear
.
(a) Check for DTC and note any codes that are output.
(b) Clear the DTC.
(c) Recheck for DTC. Try to prompt the DTC by simulating the original activity that the DTC suggests.
Result
|
Result |
Proceed to |
|---|---|
|
DTC does not reoccur |
A |
|
DTC reoccur |
B |
| B |
|
Go to step 7 |
|
|
5. |
PROBLEM SYMPTOMS TABLE |
Refer to the Problem Symptoms Table
.
Result
|
Result |
Proceed to |
|---|---|
|
Fault is not listed in Problem Symptoms Table |
A |
|
Fault is listed in Problem Symptoms Table |
B |
| B |
|
Go to step 7 |
|
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6. |
OVERALL ANALYSIS AND TROUBLESHOOTING* |
(a) Terminals of ECU
.
(b) Data List/Active Test
.
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7. |
ADJUST, REPAIR OR REPLACE |
NOTICE:
-
When the distance control ECU is replaced with a new one, initialization must be performed
.
-
When the radar sensor is replaced with a new one, adjustment of the radar sensor beam axis must be performed
.
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8. |
CONFIRMATION TEST |
| NEXT |
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END |
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