How To Troubleshoot Eps Dtcs; How To Retrieve Eps Dtcs; Honda Pgm Tester Method; Service Check Signal Circuit Method - Honda S2000 Service Manual

How to Troubleshoot EPS DTCs
The troubleshooting flowchart procedures assume that
the cause of the problem is still present and the EPS
indicator is still on. Following the flowchart when the
EPS indicator does not come on can result in incorrect
diagnosis.
The connector illustrations show the female terminal
connectors with a single outline and the male terminal
connectors with a double outline.
1. Ouestion the customer about the conditions when
the problem occured, and try to reproduce the
same conditions for troubleshooting. Find out
when the EPS indicator came on, such as during
EPS control, after EPS control. when the vehicle
was at a certain speed, etc.
2. When the EPS indicator does not come on during
the test drive, but troubleshooting is done based on
the DTC, check for loose connectors, poor terminal
contact, etc., before you start troubleshooting.
3. Afte r trou bleshooting. clearthe DTC and test-drive
the vehicle. Be sure the EPS indicator does not
c o m e o n ,
How to Retrieve EPS DTCs
Honda PGM Tester Method:
1. With the ignition switch OFF, connect the Honda
PGM Tester (A)to the 16P data link connector (DLC)
(B) located under the dash on the passenger's side
of the vehicle.
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2. Turn the ignition ON (ll), and follow the prompts on
the PGM Tester to display the DTC(S) on the screen.
After determining the DTC, refer to the DTC
troubleshooting index.
NOTE: See the Honda PGM Tester user's manual
for specific instructions.
Service Check Signal Circuit Method:
1. With the ignition switch OFF, connect the Honda
PGM Tester (A) to the 16P data link connector (DLC)
(B) located under the dash on the passsenger's side
of the vehicle.
B A
Short the SCS circuit to body ground using the
Honda PGM Tester.
T u r n t h e i g n i t i o n s w i t c h O N ( l l ) .
(cont'd)
17-19
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