| Last Modified: 4-30-2014 | 6.6 T | Doc ID: RM000000SXO007X |
| Model Year: 2006 | Model: LX470 | Prod Date Range: [05/2005 - ] |
| Title: 2UZ-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: PROBLEM SYMPTOMS TABLE; 2006 MY LX470 [05/2005 - ] | ||
PROBLEM SYMPTOMS TABLE
|
Symptom |
Suspected Area |
See page |
|---|---|---|
|
Engine does not crank (Does not start) |
1. Cranking holding function circuit |
|
|
2. Starter |
|
|
|
3. Starter relay |
|
|
|
No initial combustion (Does not start) |
1. ECM power source circuit |
|
|
2. VC output circuit |
|
|
|
3. Fuel pump control circuit |
|
|
|
4. ECM |
|
|
|
No complete combustion |
1. Fuel pump control circuit |
|
|
Difficult to start (Engine cranks normally) |
1. Starter signal circuit |
|
|
2. Fuel pump control circuit |
|
|
|
3. Compression |
|
|
|
Difficult to start (With cold engine) |
1. Starter signal circuit |
|
|
2. Fuel pump control circuit |
|
|
|
Difficult to start (With hot engine) |
1. Starter signal circuit |
|
|
2. Fuel pump control circuit |
|
|
|
High engine idlie speed (Poor idling) |
1. A/C signal circuit (Comoressor circuit) |
|
|
2. ECM power source circuit |
|
|
|
Low engine idlie speed (Poor idling) |
1. A/C signal circuit (Comoressor circuit) |
|
|
2. Fuel pump control circuit |
|
|
|
Rough idling (Poor idling) |
1. Compression |
|
|
2. Fuel pump control circuit |
|
|
|
Hunting (Poor idling) |
1. ECM power source circuit |
|
|
2. A/T faulty |
|
|
|
Hesitation/Poor acceleration (Poor driveability) |
1. Fuel pump control circuit |
|
|
2. A/T faulty |
|
|
|
Engine stalls during A/C operatio |
1. A/C signal circuit (Comoressor circuit) |
|
|
2. ECM |
|
|
|
Unable/Difficult to refuel |
1. ORVR system |
|
![2006 MY LX470 [05/2005 - ]; 2UZ-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: Cranking Holding Function Circuit](../../../../stylegraphics/info.gif "2006 MY LX470 [05/2005 - ]; 2UZ-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: Cranking Holding Function Circuit")
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