Toyota Sienna Service Manual: Control Module Performance
DTC P0607 Control Module Performance
DESCRIPTION
This DTC indicates a malfunction in the ECM.
HINT: The ECM receives signals from each sensor to control all the functions of the cruise control with the microcomputer. When a malfunction is detected, fail-safe remains on until the ignition switch is turned off.
|
DTC No. |
DTC Detection Condition |
Trouble Area |
|
P0607 |
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 also output after 0.4 sec. has passed from the time a cruise cancel input signal (STP input) is input to the ECM. |
ECM |
INSPECTION PROCEDURE
1 REPLACE ECM
END
Stop Light Switch Circuit Malfunction
DTC P0571 Stop Light Switch Circuit Malfunction
DESCRIPTION
The ECM receives the brake demand signal from the distance control ECU and
transmits it to the skid
control ECU (brake actuator assembl ...
Radar Sensor Malfunction
DTC P1570 Radar Sensor Malfunction
DESCRIPTION
The laser sensor emits laser beams towards an object in front and measures
the distance and direction of
the object by receiving the beam reflection ...
Other materials:
Tire Pressure Warning Reset Switch Circuit
DESCRIPTION
The ECU enters the initialization mode and performs initialization
automatically, when the tire pressure
warning ECU receives the signal from the tire pressure warning reset switch. If
the ECU receives the
signal, the tire pressure warning light blinks 3 times (1 second on, 1 seco ...
Terminals of ECU
1. CHECK DISTANCE CONTROL ECU
Reference: waveform 1
HINT:
Terminal: LRDD - SGND
Gauge set: 2 V/DIV., 10 ms./DIV.
Condition: ignition switch in the ON position
Reference: waveform 2
HINT:
Terminal: LRRD - SGND
Gauge set: 2 V/ ...
Air Conditioning Compressor Magnetic Clutch Circuit
DESCRIPTION
When the A/C amplifier is turned on, a magnetic clutch ON signal is sent from
the MGC terminal of the A/
C amplifier. Then, the MG CLT relay turns on to operate the magnetic clutch.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK CAN COMMUNICATION SYSTEM
(a) Use the intelligent t ...