- Cruise control
| Last Modified: 11-27-2007 | 1.6 C | |
| Service Category: Engine/Hybrid System | Section: Engine Control | |
| Model Year: 2008 | Model: LX570 | Doc ID: RM00000324400MX |
| Title: 3UR-FE ENGINE CONTROL: SFI SYSTEM: DESCRIPTION (2008 LX570) | ||
|
DTC |
P1607 |
Cruise Control Input Processor |
DESCRIPTION
The ECM continuously monitors its main and sub CPUs. This self-check ensures that the ECM is functioning properly. If outputs from the CPUs are different and deviate from the standard, the ECM will illuminate the MIL and store DTC(s) immediately.
|
DTC Code |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
P1607 |
The ECM CPUs malfunction. |
ECM |
MONITOR STRATEGY
|
Related DTC |
P1607: Internal control module range check |
|
Required sensors/Components (Main) |
ECM |
|
Required sensors/Components (Related) |
Cruise control |
|
Frequency of Operation |
Continuous |
|
Duration |
0.3 seconds |
|
MIL Operation |
Immediate |
|
Sequence of Operation |
None |
TYPICAL ENABLING CONDITIONS
|
Monitor runs whenever the following DTCs are not stored |
None |
TYPICAL MALFUNCTION THRESHOLDS
|
Cruise control |
Forbiddance |
|
When either condition below is met: |
- |
|
|
Operating |
|
Operating |
INSPECTION PROCEDURE
PROCEDURE
|
1. |
CHECK DTC |
(a) Clear DTC
.
(b) Turn the engine switch off.
(c) Disconnect the cable from the negative (-) battery terminal and wait for 1 minute.
(d) Connect the cable to the negative (-) battery terminal.
(e) Turn the engine switch on (IG).
(f) Check DTC.
OK:
P1607 is not output.
|
|
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