P1570

CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM: P1570: Radar Sensor Malfunction
P1570 - Radar Sensor Malfunction

DESCRIPTION

When the ECM receives information that there is a malfunction in the millimeter wave radar sensor, DTC P1570 is stored.





INSPECTION PROCEDURE

NOTICE:
When the millimeter wave radar sensor assembly is replaced with a new one, adjustment of the millimeter wave radar sensor assembly beam axis must be performed Adjustments.

PROCEDURE

1. CONFIRM DESIGNATION INFORMATION

(a) Confirm the designation information.

(1) Turn the engine switch on (IG).

(2) Turn the cruise control switch on.

(3) With the brake pedal depressed, push the cruise control switch to +RES 3 times within 3 seconds. Check that the skid control buzzer sounds at this time.

OK:

The skid control buzzer sounds (initialization is performed).

NOTICE:
- Do not turn the light control switch on at this time as doing so causes the beam axis to deviate. If the light control switch is turned on by mistake, readjust the beam axis Adjustments.
- If initialization cannot be performed, first inspect the stop light switch circuit, cruise control switch circuit and skid control buzzer circuit.

(4) Turn the engine switch off.

NEXT -- Continue to next step.

2. CHECK FOR DTC

(a) Clear the DTCs Dynamic Radar Cruise Control System.

(b) Perform the following to make sure the DTC detection conditions are met.

HINT
If the detection conditions are not met, the system cannot detect the malfunction.

(1) Drive the vehicle at a speed of 50 km/h (30 mph) or more.

(2) Turn the cruise control switch on.

(c) Check for DTCs Dynamic Radar Cruise Control System.

OK:

DTC P1570 is not output.

NG -- REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY Removal

OK -- END