DOOR LOCK AND POWER WINDOWS — TROUBLE DIAGNOSIS — Diagnostic Procedure 5 (Cont'd)
BF-23flowchartLock-knob switch is a SPST contact: rod pushed (Lock) = open (∞), pulled (Unlock) = closed (0 Ω).
Diagnostic Procedure 5 (Cont'd)
Diagnostic Procedure 5 — continuation from BF-22
Rendering diagram…
Test D — lock-knob-switch resistance vs rod operation
1
Terminal (−)2
Rod operationPush (Lock)
Resistance∞
1
Terminal (−)2
Rod operationPull (Unlock)
Resistance0
Test F — control-switch output voltage at D7 vs switch operation
5
Terminal (−)GND
Switch operationLock
Voltage change0 → 12V
2
Terminal (−)GND
Switch operationUnlock
Voltage change0 → 12V