| Last Modified: 7-3-2017 | 6.8:8.0.40 | Doc ID: RM0000018LO004X |
| Model Year Start: 2007 | Model: LX470 | Prod Date Range: [08/2006 - ] |
| Title: CRUISE CONTROL: CRUISE CONTROL SYSTEM: PROBLEM SYMPTOMS TABLE; 2007 MY LX470 [08/2006 - ] | ||
PROBLEM SYMPTOMS TABLE
- Use the table below to help determine the cause of the problem symptom. 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.
Cruise control system
|
Symptom |
Suspected area |
See page |
|---|---|---|
|
SET not occurring or CANCEL occurring (DTC is Normal) |
1. Input signal circuit |
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2. Vehicle speed sensor circuit |
|
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3. Stop light switch circuit |
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4. Park/neutral position switch circuit |
|
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5. ECM |
|
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SET not occurring or CANCEL occurring (DTC is not output) |
1. Cruise control switch circuit |
|
|
2. ECM |
|
|
|
Actual vehicle speed deviates above or below the seat speed |
1. Vehicle speed sensor circuit |
|
|
2. ECM |
|
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|
Gear shifting occurs frequently between 3rd and O/D when driving on |
1. Vehicle speed sensor circuit |
|
|
2. ECM |
|
|
|
Cruise control not cancelled, even when break pedal is depressed |
1. Stop light switch circuit |
|
|
2. ECM |
|
|
|
Cruise control not cancelled, even when transmission is shifted to "N" |
1. Park/neutral position switch circuit |
|
|
2. ECM |
|
|
|
Control switch does not operate (+/SET, +/RES, CANCEL not possible) |
1. Cruise control switch circuit |
|
|
2. ECM |
|
|
|
SET possible at 40 km/h (25 mph) or less, or CANCEL does not operate |
1. Vehicle speed sensor circuit |
|
|
2. ECM |
|
|
|
Poor response is ACCEL and RESUME modes |
1. ECM |
|
|
O/D does not resume, even though the road is not uphill |
1. Vehicle speed sensor circuit |
|
|
2. ECM |
|
|
|
DTC memory is erased |
1. ECM |
|
|
DTC is not output, or is output when should not be |
1. Diagnosis circuit |
- |
|
2. ECM |
|
|
|
Cruise main indicator light remains ON or falls to light up |
1. Cruise control switch circuit |
|
|
2. Cruise main indicator light circuit |
|
|
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3. Combination meter assembly |
|
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4. ECM |
|
|
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Cruise main indicator light does not light up |
1. Cruise control switch circuit |
|
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2. Cruise main indicator light circuit |
|
|
|
3. Combination meter assembly |
|
|
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4. ECM |
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![2007 MY LX470 [08/2006 - ]; CRUISE CONTROL: CRUISE CONTROL SYSTEM: P0607/54; Control Module Performance](../../../../stylegraphics/info.gif "2007 MY LX470 [08/2006 - ]; CRUISE CONTROL: CRUISE CONTROL SYSTEM: P0607/54; Control Module Performance")
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