Yamaha tmax XP500A, Service Manual

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CHAS
ANTI-LOCK BRAKE SYSTEM (XP500A)
• [B-5] ABS malfunction check using the ABS self-diagnosis (present malfunction)
NOTE:
_
Before proceeding, read [B-3], “Function of the test coupler terminals”.
To access the test coupler. Remove the protective cap and connect the test coupler adaptor to the
test coupler. The T/C terminal (sky blue) is now grounded. (Figure
È
)
Because malfunction codes for present malfunctions are not displayed on the meter assembly,
check the malfunction code as follows.
Set the pocket tester range to DC 20 V. Connect the pocket tester negative probe to the T/F termi-
nal (light green) of the test coupler adaptor and the pocket tester positive probe to the positive bat-
tery terminal. (Figure
É
)
Determine the malfunction code according to the movement of the pocket tester needle. (Figure
Ê
)
A tester reading with the digits of 10 and digits of 1 pattern is shown below.
1
Test coupler
2
Lock plate
3
Protective cap
4
Grounding
5
T/C terminal
6
T/F terminal
7
Light terminal
8
Test coupler adaptor
È
É É É É
(light green)
(light green)
(white
/red)
(black)
(white/red)
Ê
Example: malfunction code 12 Example: malfunction code 21
Time
(second)
1
0.5
1.5
0.5 0.5
3 1 1.5 1 1.5 3
12 V
0 V
10 + 1 + 1 10 + 10 + 1
0.5