DTC Troubleshooting: P2583-87
DTC P2583-87: Lost Communication With the Millimeter Wave Radar
NOTE: Before you troubleshoot, review the general troubleshooting information.

DTC Description
DTC
Freeze Frame
P2583-87 Lost Communication With the Millimeter Wave Radar
    

1.
Problem verification:

Problem verification
?1.
Turn the vehicle to the ON mode.

?2.
Clear the DTC with the HDS.


?3.
Turn the vehicle to the OFF (LOCK) mode, then the ON mode.

?4.
Check for DTCs with the HDS.
DTC Description
DTC
Freeze Frame
P2583-87 Lost Communication With the Millimeter Wave Radar
    

Is DTC P2583-87 indicated?

     
YES
     
     
     
The failure is duplicated. Go to step 2.
     
NO
     
     
     
Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the Freeze data/on-board snapshot.?
2.
Open wire check (IG1 OPTION line):

Open wire check (IG1 OPTION line)
?1.
Disconnect the following connector.
Millimeter wave radar 10P connector

?2.
Turn the vehicle to the ON mode.

?3.
Measure the voltage between test points 1 and 2.
Test condition
Vehicle ON mode
 
Millimeter wave radar 10P connector: disconnected
Test point 1
Millimeter wave radar 10P connector terminal No. 5
Test point 2
Body ground


Is there battery voltage?

     
YES
     
     
     
The IG1 OPTION wire is OK. Go to step 3.
     
NO
     
     
     
Repair an open in the wire between the millimeter wave radar and the No. B7 (7.5 A) fuse in the under-dash fuse/relay box.?
3.
Open wire check (GND line):

Open wire check (GND line)
?1.
Turn the vehicle to the OFF (LOCK) mode.

?2.
Check for continuity between test points 1 and 2.
Test condition
Vehicle OFF (LOCK) mode
 
Millimeter wave radar 10P connector: disconnected
Test circuit
GND
Test point 1
Millimeter wave radar 10P connector No. 1
Test point 2
Body ground


Is there continuity?

     
YES
     
     
     
The GND wire is OK. Go to step 4.
     
NO
     
     
     
Repair an open in the wire between the millimeter wave radar and body ground at G201.?
4.
Open wire check (ACC CAN-L, ACC CAN-H lines):

Open wire check (ACC CAN-L, ACC CAN-H lines)
?1.
Disconnect the following connector.
Multipurpose camera unit 20P connector

?2.
Check for continuity between test points 1 and 2.
Test condition
Vehicle OFF (LOCK) mode
 
Multipurpose camera unit 20P connector: disconnected
 
Millimeter wave radar 10P connector: disconnected
Test point 1
Multipurpose camera unit 20P connector No. 18
Test point 2
Millimeter wave radar 10P connector No. 2

Test point 1
Multipurpose camera unit 20P connector No. 7
Test point 2
Millimeter wave radar 10P connector No. 3


Is there continuity?

     
YES
     
     
     
The ACC CAN-L and ACC CAN-H wires are OK. Go to step 5.
     
NO
     
     
     
Repair an open in the wire between the multipurpose camera unit and the millimeter wave radar.?
5.
Shorted wire check (ACC CAN-L, ACC CAN-H lines):

Shorted wire check (ACC CAN-L, ACC CAN-H lines)
?1.
Check for continuity between test points 1 and 2.
Test condition
Vehicle OFF (LOCK) mode
 
Multipurpose camera unit 20P connector: disconnected
 
Millimeter wave radar 10P connector: disconnected
Test point 1
Millimeter wave radar 10P connector No. 2
Test point 2
Millimeter wave radar 10P connector No. 3


Is there continuity?

     
YES
     
     
     
Repair a short in the wires between the millimeter wave radar and multipurpose camera unit of the ACC CAN line (ACC CAN-L, ACC CAN-H).?
     
NO