Honda 2004 Odyssey Service Manual page 1254

Operation Mode Table
Operation
Mode
Regular Operation in normal condition.
operation
Fail-safe The ABS control unit turns the system off (turns the ABS fail-safe
mode-S relay off) when the control unit detects a problem.
Fail-safe If the ABS control unit detects a malfunction during ABS or EBD
mode-A1 operation, it will turn off the malfunctioning component, and
continue to modulate the rest of the ABS or EBD until completing
the ABS or EBD operation. At that time, the entire system will be
turned off until the problem goes away.
Fail-safe If the ABS control unit detects a malfunction during ABS or EBD
mode-A2 operation, it will turn off the malfunctioning component, and
continue to modulate the rest of the ABS or EBD until completing
the ABS or EBD operation. At that time, the entire system will be
turned off until the problem goes away.
Fail-safe The ABS control unit stores a DTC in back-up memory when it
mode-L1 detects a problem. If a problem is detected when the ignition
switch is turned ON (II), the ABS control unit will turn the ABS and
EBD system off. If the problem goes away, the ABS control unit
will turn the system on again.
Fail-safe The ABS control unit stores a DTC in back-up memory when it
mode-L2 detects a problem. If a problem is detected when the ignition
switch is turned ON (II), the ABS control unit will turn the ABS and
EBD system off. If the problem goes away, the ABS control unit
will turn the system on again.
Fail-safe The ABS control unit will turn the ABS and EBD system off if the
mode-B1 ignition voltage drops, and will turn them on again when the
ignition voltage returns to normal.
Fail-safe The ABS control unit will turn the ABS and EBD system off if the
mode-B2 ignition voltage drops, and will turn them on again when the
ignition voltage returns to normal.
On-board Diagnosis Function
The ABS can be diagnosed with the HDS.
The ALB Checker cannot be used with this system. For air bleeding, and checking wheel sensor signals, use the HDS.
See the HDS help menu for specific operating instructions.
Description ABS Indicator Brake System
Indicator
OFF OFF
ON ON
ON ON
ON OFF
ON ON
ON OFF
ON ON
ON OFF
(cont'd)
19-53