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30 CHECK STOP LAMP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between stop lamp switch terminal 2 and ECM terminal 55.
SEC216D
Continuity should exist
3. Also check harness for short to ground and short to power.
OK or NG
OK © GO TO 32.
NG © GO TO 31.
31 DETECT MALFUNCTIONING PART
Check the following.
I Harness connectors M15, E81
I Harness connectors M162, F55
I Harness for open or short between stop lamp switch and ECM
© Repair open circuit or short to ground or short to power in harness or connectors.
32 CHECK STOP LAMP SWITCH
Refer to “Component Inspection”, EC-661.
OK or NG
OK © GO TO 33.
NG © Replace stop lamp switch.
33 CHECK INTERMITTENT INCIDENT
Refer to “TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT”, EC-156.
© INSPECTION END
DTC P1572 ASCD BRAKE SWITCH
Diagnostic Procedure (Cont’d)
EC-660
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