P1607
3UR-FE ENGINE CONTROL: SFI SYSTEM: P1607: Cruise Control Input Processor
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.
MONITOR STRATEGY
TYPICAL ENABLING CONDITIONS
TYPICAL MALFUNCTION THRESHOLDS
INSPECTION PROCEDURE
PROCEDURE
1. CHECK DTC
(a) Clear DTC DTC Check / Clear.
(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.
NG -- REPLACE ECM
OK -- CHECK FOR INTERMITTENT PROBLEMS Check For Intermittent Problems