Honda 2004 Odyssey, Service Manual

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How to Troubleshoot DTCs
How to Retrieve DTCs
HDS (Honda Diagnostic System) Method
Service Check Signal (SCS) Circuit Method
19-82
ABS/TCS Components
General Troubleshooting Information (cont’d)
A
A
The troubleshooting flowchart procedures assume that
the cause of the problem is still present and the ABS
and/or TCS indicator is still on. Following the flowchart
when the ABS and/or TCS 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. Question the customer about the conditions when
the problem occured, and try to reproduce the
same conditions for troubleshooting. Find out
when the ABS and/or TCS indicator came on, such
as during ABS control, after ABS control, when
vehicle speed was at a certain speed, etc.
2. When the ABS or TCS indicator does not come on
during the test-drive, but troubleshooting is done
based on the DTC, check for loose connectors, poor
contact of the terminals, etc., before you start
troubleshooting.
3. After troubleshooting or repairs are done, clear the
DTC, and test-drive the vehicle. Make sure the ABS
and TCS indicators do not come on.
1. With the ignition switch OFF, connect the HDS to
the 16P Data Link Connector (DLC) (A) under the
driver’s side of the dashboard.
2. Turn the ignition switch ON (II), and follow the
prompts on the HDS to display the DTC(s) on the
screen. After determining the DTC, refer to the DTC
Troubleshooting Index.
NOTE: See the HDS help menu for specific
instructions.
1. With the ignition switch OFF, connect the HDS to
the 16P Data Link Connector (DLC) (A) under the
driver’s side of the dashboard.
2. Short the SCS circuit to body ground using the HDS.
3. Turn the ignition switch ON (II) without pressing the
brake pedal.
NOTE: If the brake pedal is pressed when turning
the ignition switch ON (II), the system shifts to the
DTC clearing mode.
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