DTC P1697:86 [RADAR UNIT]


id1502a6018600

Description

Cruise control switch (DISTANCE switch) malfunction signal reception

Detection condition
•  The cruise control switch (DISTANCE switch) on-signal is input for 10 min or more.
Fail-safe
•  Inhibits the Mazda radar cruise control (MRCC) system control
Possible cause
•  DTCs are stored in the start stop unit.
?  Cruise control switch malfunction
•  Start stop unit malfunction
•  Radar unit malfunction
System wiring diagram
Not applicable

Diagnostic Procedure

Step

Inspection

Action

1
VERIFY START STOP UNIT DTCs
•  Retrieve the start stop unit DTCs using the M-MDS.
•  Are any DTCs displayed?
Yes
Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
No
Go to the next step.
2
VERIFY IF MALFUNCTIONING LOCATION IS START STOP UNIT DEPENDING ON REPEATABILITY
•  Clear the DTC for the radar unit using the M-MDS.
•  Switch the ignition ON (engine on) and wait for 10 min or more.
•  Retrieve the radar unit DTCs using the M-MDS.
•  Is the same DTC displayed?
Yes
Replace the start stop unit, then go to the next step.
No
Go to the next step.
3
VERIFY THAT REPAIRS HAVE BEEN COMPLETED
•  Clear the DTC for the radar unit using the M-MDS.
•  Switch the ignition ON (engine on) and wait for 10 min or more.
•  Retrieve the radar unit DTCs using the M-MDS.
•  Is the same DTC displayed?
Yes
Replace the radar unit, then go to the next step.
No
Go to the next step.
4
VERIFY IF OTHER DTCs DISPLAYED
•  Are any other DTCs displayed?
Yes
Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
No
DTC troubleshooting completed.