All values measured to ground unless otherwise noted
Conn./Plug/Pin Pin Information Test Value Comments
N62      
1.1 PTS on/off indication signal output Ignition on, set PTS switch to
on > 5 VDC LED will be extinguished
off < 1 VDC LED will be lit
 
1.2 PTS on/off recognition signal input Ignition on, press and hold PTS switch in pos.
on > 3VDC LED will be extinguished
off < 1 VDC LED will be lit
 
1.3,4 Pins not used    
1.5 Trailer Recognition Signal Ignition On
Trailer not connected: >4,5VDC
 
1.6 Pin not used    
1.7 VSS signal input Ignition on, lift front of vehicle.
Turn right front wheel > 1 rev/sec by hand > 3 VAC or with vehicle moving
Note 3
1.8,9 Pins not used    
1.10 Main ground to W19 Approx. 0 Ohms to ground  
1.11-25 Pins not used    
1.26 Backup mode recognition signal input ,
activates rear PTS sensor assembly
Ignition on, shift lever in position "R" 12 VDC, all other positions 0 VDC  
1.27 DTC diagnostic output. Also input for HHT data and tests. Ignition on approx. 9-14 VDC  
1.28 Rear PTS sensor assembly
voltage supply output high side
Ignition on, PTS switch on
measure to pin 8 (-) > 18 VDC
 
1.29 Pin not used    
1.30 Circuit 15 main power input Ignition on 12 VDC Feed from F1f14
2.12 Front warning indicator elements
voltage supply output low side
Ignition on, PTS switch on
measure to pin 33 (+) > 12 VDC
 
2.13 Front PTS sensor assembly
voltage supply output low side
Ignition on, PTS switch on
measure to pin 34 (+) > 18 VDC
 
2.14 Front warning indicator elements signal output, controls LCD bar display and audible signal No reliable test. Check continuity of wiring Note 2
2.15 Front right center sensor signal input No reliable test. Check continuity of wiring Note 2
2.16 Front left inner sensor signal input No reliable test. Check continuity of wiring Note 2
2.17 Front left outer sensor signal input No reliable test. Check continuity of wiring Note 2
2.33 Front warning indicator elements
voltage supply output high side
Ignition on, PTS switch on
measure to pin 12 (-) > 12 VDC
 
2.34 Front PTS sensor assembly
voltage supply output high side
Ignition on, PTS switch on
measure to pin 13 (-) > 18 VDC
 
2.35 Front right outer sensor signal input No reliable test. Check continuity of wiring Note 2
2.36 Front right inner sensor signal input No reliable test. Check continuity of wiring Note 2
2.37 Front left center sensor signal input No reliable test. Check continuity of wiring Note 2
2.38 Pin not used    
Note 1 Functional short test, verify no obstacles surrounding vehicle
PTS switch on, ignition on
all indicator segments and frame will be lit for approx. 2 sec. (system up)
 
Note 2 To be tested with HHT
refer to DM Info/Comm Vol 1 sect. 8.1
increasing voltage with decreasing distance to an obstacle surrounding sensors  
Note 3 PTS system is deactivated at speed of >9 mph