| Last Modified: 11-29-2007 | 1.6 T | |
| Service Category: Audio/Visual/Telematics | Section: Park Assist/Monitoring | |
| Model Year: 2008 | Model: Sequoia | Doc ID: X394000005X02ED |
| Title: PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM: PROBLEM SYMPTOMS TABLE (2008 Sequoia) | ||
PROBLEM SYMPTOMS TABLE
HINT:
- Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
Intuitive Parking Assist System
|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
System does not operate at all (Initial check function also does not operate) |
Proceed to "Clearance Warning ECU Power Source Circuit" |
|
|
Clearance warning ECU |
|
|
|
Clearance warning indicator indicates front clearance sonar sensor is frozen |
Clean the sensor surface |
|
|
Proceed to "Front Clearance Sonar Sensor LH Circuit" |
|
|
|
Proceed to "Front Clearance Sonar Sensor RH Circuit" |
|
|
|
Clearance warning ECU |
|
|
|
Clearance warning indicator indicates rear clearance sonar sensor is frozen |
Clean the sensor surface |
|
|
Proceed to "Rear Clearance Sonar Sensor LH Circuit" |
|
|
|
Proceed to "Rear Clearance Sonar Sensor RH Circuit" |
|
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|
Clearance warning ECU |
|
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|
Clearance warning indicator indicates back sonar sensor is frozen |
Clean the sensor surface |
|
|
Proceed to "Back Sonar Sensor LH Circuit" |
|
|
|
Proceed to "Back Sonar Sensor RH Circuit" |
|
|
|
Clearance warning ECU |
|
|
|
Clearance warning indicator indicates open in rear clearance sonar sensor circuit |
Proceed to "Rear Clearance Sonar Sensor RH Circuit" |
|
|
Proceed to "Back Sonar Sensor RH Circuit" |
|
|
|
Proceed to "Back Sonar Sensor LH Circuit" |
|
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|
Proceed to "Rear Clearance Sonar Sensor LH Circuit" |
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|
Clearance warning ECU |
|
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|
Clearance warning indicator indicates open in front clearance sonar sensor circuit |
Proceed to "Front Clearance Sonar Sensor LH Circuit" |
|
|
Proceed to "Front Clearance Sonar Sensor RH Circuit" |
|
|
|
Clearance warning ECU |
|
|
|
System operates even when vehicle speed is 10 km/h (6.2 mph) or more |
Proceed to "Vehicle Speed Signal Circuit" |
|
|
Clearance warning ECU |
|
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|
Although system operates, indicator does not illuminate |
Proceed to "Indicator Circuit" |
|
|
Clearance warning ECU |
|
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|
Indicator does not dim at night, or illuminates dimly during daytime |
Proceed to "Taillight Relay Circuit" |
|
|
Clearance warning ECU |
|
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|
Although system operates, clearance warning buzzer does not sound |
Proceed to "Clearance Warning Buzzer Circuit" |
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|
Clearance warning ECU |
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|
Clearance warning buzzer volume is low |
Adjust volume |
|
|
Clearance warning ECU |
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|
Rear corner and back sonar operates when shift lever is not in R, or does not operate even when shift lever is in R |
Proceed to "Park/Neutral Position Switch Circuit" |
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|
Clearance warning ECU |
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