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17 CHECK ASCD BRAKE SWITCH INPUT SIGNAL CIRCUIT
1. Turn ignition switch “OFF”.
2. Disconnect ECM harness connector and park/neutral position (PNP) relay harness connector.
3. Check harness continuity between park/neutral position (PNP) relay terminal 4 and ECM terminal 59.
SEC215D
Continuity should exist.
4. Also check harness for short to ground and short to power.
OK or NG
OK © GO TO 28.
NG © GO TO 18.
18 DETECT MALFUNCTIONING PART
Check the following.
I Harness connectors E81, M15
I Harness connectors M162, F55
I Harness for open or short between park/neutral position (PNP) relay and ECM
© Repair open circuit or short to ground or short to power in harness or connectors.
19 CHECK ASCD BRAKE SWITCH CIRCUIT-II
1. Turn ignition switch “OFF”.
2. Disconnect ASCD clutch switch harness connector.
3. Turn ignition switch “ON”.
4. Check voltage between ASCD clutch switch terminal 1 and ground under the following conditions.
PBIB0799E
MTBL1303
OK or NG
OK © GO TO 25.
NG © GO TO 20.
GI
MA
EM
LC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
ASCD BRAKE SWITCH
Diagnostic Procedure (Cont’d)
EC-737
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