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ASCD BRAKE/STOP LAMP SWITCH CHECK
=NAEL0375S04
1 CHECK ASCD BRAKE SWITCH CIRCUIT
1. Disconnect ASCD control unit harness connector.
2. Turn ignition switch ON.
3. Check voltage between ASCD control unit harness connector M3 terminal 8 and ground.
SEL258WF
OK or NG
OK © GO TO 2.
NG © Check the following.
I ASCD brake switch
Refer to “Electrical Component Inspection” (EL-266).
I ASCD clutch switch (M/T models)
Refer to “Electrical Component Inspection” (EL-266).
I Park/neutral position switch (A/T models)
Refer to “Electrical Component Inspection” (EL-266).
I Park/neutral position relay (A/T models)
I Harness for open or short
2 CHECK STOP LAMP SWITCH CIRCUIT
1. Disconnect ASCD control unit harness connector.
2. Check voltage between ASCD control unit harness connector terminal 23 and ground.
SEL259WB
Refer to wiring diagram in EL-253.
OK or NG
OK © ASCD brake/stop lamp switch is OK.
NG © Check the following.
I 10A fuse [No. 14, located in the fuse block (J/B)]
I Harness for open or short between ASCD control unit and stop lamp switch
I Harness for open or short between fuse and stop lamp switch
I Stop lamp switch
Refer to “Electrical Component Inspection” (EL-266).
AUTOMATIC SPEED CONTROL DEVICE (ASCD)
Trouble Diagnoses (Cont’d)
EL-260
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