P1607

2AZ-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P1607: Cruise Control Input Processor

DTC P1607 - Cruise Control Input Processor

MONITOR DESCRIPTION

The ECM continuously monitors its main and sub CPUs for the cruise control. This self-check ensures that the ECM is functioning properly. If outputs from the CPUs are different and deviate from the standards, the ECM will illuminate the MIL and set the DTC immediately.






MONITOR STRATEGY





TYPICAL ENABLING CONDITIONS





TYPICAL MALFUNCTION THRESHOLDS





INSPECTION PROCEDURE

PROCEDURE

1. READ OUTPUT DTC (DTC P1607)
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream ON.
(d) Clear DTC DTC Check / Clear.
(e) Turn the ignition switch to OFF and turn the Techstream OFF.
(f) Disconnect the Techstream.
(g) Disconnect the cable from the battery negative (-) terminal and wait for 1 minute.
(h) Connect the cable to the battery negative (-) terminal.
(i) Connect the Techstream to the DLC3.
(j) Turn the ignition switch to ON.
(k) Turn the Techstream ON.
(l) Select the following menu items: Powertrain / Engine and ECT / Trouble Codes.
(m) Read DTCs.

Result





B -- REPLACE ECM
A -- CHECK FOR INTERMITTENT PROBLEMS