AUTOMATIC TRANSMISSION
Fault finding - Interpretation of statuses
23A
23A - 121V3 MR-372-J84-23A000$675.mif
AJ0 BVA
Vdiag No.: 04, 05
ET018
BRAKE PEDAL
Note:
Status ET018 "Gear engaged" is applicable to the following sub-functions:
–"Driver parameters".
STATUS
DEFINITIONDEPRESSED: shows that the brake pedal is depressed.
RELEASED: shows that the brake pedal is released.
STATUS1: shows that the brake switch signal is invalid.
NOTESSpecial notes:
Apply the conformity check to see if the statuses are consistent with the operating
programs of the system.
Conformity check with engine stopped, ignition on or engine running.
"DEPRESSED"
(Brake pedal
depressed)
When the driver depresses the brake pedal status ET018 Brake pedal becomes
DEPRESSED.
If the driver depresses the brake pedal hard and status ET018 Brake pedal remains
RELEASED with the lights operating:
Check the insulation, continuity and the absence of interference resistance on the
following connection:
–Connection code 5A
between the brake light switch connector, component code 160 and the transmission
computer, component code 119.
If the connection is faulty and there is a repair procedure (see Technical Note 6015A,
Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise
replace it.
–Remove the brake light switch and carry out the following checks:
Continuity between
connectionsInsulation between
connections
Brake pedal depressed65A and SP17 5A and BPT
Brake pedal released5A and BPT 65A and SP17
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
AJ0_V04_ET018/AJ0_V05_ET018
AUTOMATIC TRANSMISSION
Fault finding - Interpretation of statuses
23A
23A - 122V3 MR-372-J84-23A000$675.mif
AJ0 BVA
Vdiag No.: 04, 05
ET018
CONTINUED
"DEPRESSED"
(Brake pedal
depressed)
(cont.)
"RELEASED"
(Brake pedal
released)
"STATUS 1"
If the checks are not in order, replace the brake light switch.
If the driver depresses the brake pedal and status ET018 Brake pedal is DEPRESSED
but the brake lights do not operate:
–Check the condition and fitting of the brake light switch, the brake light fuse and the
brake light bulbs.
–Check for + after ignition feed on connections SP17 and BPT on the brake light
switch.
When the driver releases the brake pedal status ET018 Brake pedal becomes
RELEASED.
If this does not happen, check that the brake light switch is in good condition and
operating correctly by carrying out the checks associated with status DEPRESSED.
Check the status and operation of the brake light switch by performing the checks
associated with the "DEPRESSED" status.
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
