Toyota Sienna Service Manual: Input Signal Circuit Malfunction
DTC P0607 Input Signal Circuit Malfunction
DESCRIPTION
This DTC indicates internal abnormalities of the ECM.
|
DTC No. |
Detection Item |
Trouble Area |
|
P0607 |
The ECM has a supervisory CPU and control ECU
inside. When each input STP signal is different for 0.15
sec. or more, this trouble code is output.
This trouble code is output after 0.4 sec. has passed from the time the cruise cancel input signal (STP input) is input into the ECM. HINT: When a trouble code is detected, the fail safe must be kept on until the ignition switch is turned off. |
ECM |
INSPECTION PROCEDURE
1 REPLACE ECM
- Replace the ECM
END
Brake Switch "A" Circuit
DTC P0571 Brake Switch "A" Circuit
DESCRIPTION
When the brake pedal is depressed, the stop light switch sends a signal to
the ECM. When the ECM
receives this signal, it cancels the crui ...
Cruise Control Switch Circuit
DESCRIPTION
The cruise control main switch operates 7 functions: SET, - (COAST),
TAP-DOWN, RES (RESUME), +
(ACCEL), TAP-UP, and CANCEL. The SET, TAP-DOWN, and - (COAST) functions, and the
RES
( ...
Other materials:
Precaution
1. HANDLING PRECAUTION FOR CRUISE CONTROL
SYSTEM
Turn the cruise control main switch off when not
using the cruise control system.
Be careful as the vehicle speed increases when
driving downhill with the cruise control system on.
The + (ACCEL)/RES (RESUME) operation ch ...
Fail-safe chart
1. FAIL-SAFE FUNCTION
When communication fails in any of the main wires
(communication lines) due to a short circuit or other
causes, the fail-safe function, which is specified for
each system, operates to prevent the system from
malfunctioning.
The table below shows the effects on eac ...
Repair
1. STEERING OFF CENTER REPAIR PROCEDURE
(a) Inspect steering wheel off center.
(1) Apply masking tape to the top center of the
steering wheel and steering column upper
cover.
(2) Drive the vehicle in a straight line for 100
meters at a constant speed of 35 mph (56 km/
h), and hold the ...
