| Last Modified: 11-29-2007 | 1.6 D | |
| Service Category: Suspension | Section: Suspension Control System | |
| Model Year: 2008 | Model: Sequoia | Doc ID: RM000001N8X00BX |
| Title: SUSPENSION CONTROL: AIR SUSPENSION SYSTEM (w/o AVS): HOW TO PROCEED WITH TROUBLESHOOTING (2008 Sequoia) | ||
HOW TO PROCEED WITH TROUBLESHOOTING
HINT:
*: Use the Techstream.
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1. |
VEHICLE BROUGHT TO WORKSHOP |
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2. |
CUSTOMER PROBLEM ANALYSIS |
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3. |
CHECK AND CLEAR DTC* |
(a) Check if any DTCs are output
.
HINT:
The suspension control ECU of this system is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there is no trouble in the CAN communication system.
Result
|
Result |
Proceed to |
|---|---|
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CAN DTC not output |
A |
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CAN DTC output |
B |
| B |
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GO TO CAN COMMUNICATION SYSTEM |
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4. |
CHECK AND CLEAR DTC* |
(a) Check for a DTC
.
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5. |
PROBLEM SYMPTOM CONFIRMATION |
(a) Measure the resistance according to the value(s) in the table below.
Result
|
Result |
Proceed to |
|---|---|
|
Symptom Does Not Occur |
A |
|
Symptom Occurs |
B |
| B |
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Go to step 7 |
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6. |
SYMPTOM SIMULATION |
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7. |
CHECK DTC* |
(a) Check for a DTC
.
Result
|
Result |
Proceed to |
|---|---|
|
DTC not output |
A |
|
DTC output |
B |
| B |
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Go to step 9 |
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8. |
PROBLEM SYMPTOMS TABLE |
(a) Refer to the Problem Symptoms Table
.
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9. |
DTC CHART |
(a) Refer to the Diagnostic Trouble Code Chart
.
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10. |
CIRCUIT INSPECTION* |
(a) Inspect the circuit.
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11. |
IDENTIFICATION OF PROBLEM |
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12. |
REPAIR OR REPLACE |
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13. |
CONFIRMATION TEST |
| NEXT |
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END |
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