|
No.
|
TECH 1 Display
|
Conditions for
Checking
|
Nominal Value
|
Trouble Codes
|
Terminal
|
|
19
|
BRAKE LIGHT
|
Ignition ON
|
|
-
|
15/2
|
|
|
SW.
|
|
|
|
26-pin
|
|
|
|
Brake not actuated
|
OPEN 0V
|
|
|
|
|
|
Brake actuated
|
CLOSED 12V
|
|
|
|
|
|
|
|
|
|
|
Notes for Trouble-shooting:
|
Nominal Value:
|
Cause of Fault:
(If nominal value is not attained)
|
|
· Ignition OFF
|
|
|
|
· Release and disconnect plug from brake
lamp switch S8
|
|
|
|
· Short-circuit contacts in plug
|
|
|
|
· Remove instrument assembly
|
|
|
|
· Release 26-pin wiring harness plug and
disconnect from MID
|
|
|
|
· Measure voltage between 26-pin MID
wiring harness plug Ter. 15 and ground:
|
lower than 1 V
|
· Lead between brake lamp switch S8 and
26-pin MID wiring harness plug Ter. 15 and P25/Ter. 12 has short circuit to
+ battery voltage
|
|
· Ignition ON:
|
Brake lamp ON
|
|
|
· Measure voltage between 26-pin MID
wiring harness plug Ter. 15 and ground:
|
higher than 11 V
|
· Lead between S8 and 26-pin MID wiring
harness plug Ter. 15 is interrupted
|
|
· Measure resistance of brake lamp switch
S 8,
|
|
|
|
brake
not actuated:
|
higher
than 20 kW
|
|
|
brake
actuated:
|
lower than 2 W
|
· Switch S8 defective
|
|
|
|
|
|
|
|
If nominal
values are attained:
|
|
|
|
· MID defective
|
|
|
|
|
|
|
|
|
|
|
|
