DTC P1572 Improper Aiming of Radar Sensor Beam Axis
DESCRIPTION
This DTC is output when the scanning angle of the laser sensor is incorrect. This DTC is also output when the laser sensor beam axis is determined to be in an incorrect position.
DTC No. |
DTC Detection Condition |
Trouble Area |
P1572 |
The ECU detects that the laser sensor beam axis is in an incorrect position (0.15 sec. or more) while the dynamic laser cruise control is in operation | Laser sensor |
INSPECTION PROCEDURE
NOTICE: When the laser sensor is replaced with a new one, adjustment of the laser sensor beam axis must be performed
1 ADJUST LASER SENSOR
Refer to adjustment.
HINT: It is necessary to make the ECM recognize specification information (whether the vehicle is equipped with the dynamic laser cruise control system or not). When this procedure has not been carried out, this DTC may be output.
OK: DTC is not output.
SYSTEM IS OK
Disassembly
1. REMOVE CONTROL KNOB SUB-ASSEMBLY (for Manual Air Conditioning System)
(a) Remove the control knob sub-assembly.
2. REMOVE AIR CONDITIONING CONTROL BULB
(a) Remove the air conditioning control bulb.
Reassembly
1. INSTALL AIR CONDITIONING CONTROL BULB
2. INSTALL CONTROL KNOB SUB-ASSEM ...
Pressure Control Solenoid "B" Electrical (Shift
Solenoid Valve SL2)
DESCRIPTION
Shifting from 1st to 5th is performed in combination with "ON" and "OFF"
operation of the shift solenoid
valves SL1, SL2, SL3, S4 and SR which are controlled by the ECM. If an open or
short circuit occurs in
either of the shift solenoid valves, the ECM cont ...
Reassembly
1. INSTALL INPUT SHAFT OIL SEAL RING
(a) Compress a new input shaft oil seal ring from both
sides to reduce dimension A.
Dimension A:
5 mm (0.197 in.)
(b) Coat the oil seal ring with ATF and install it to the
input shaft.
NOTICE:
Do not expand the end gap of the oil seal ring
too much. ...