Description & Operation

The switch monitor test uses PIDs to check the operation of certain switches (and related circuits) that do not set codes.

1. Step 1) Turn ignition on. Connect NGS scan tool. See procedures under SCAN TOOL HOOK-UP . Using NGS scan tool, select PCM and enter PID/DATA MONITOR AND RECORD function.
2. Step 2) Select PIDs for switches in question. See SWITCH TESTING table. Operate switch as described in table. If switch does not operate as described, proceed to circuit test suggested in table.
   SWITCH TESTING
   
   

   Switch (PID)	Test Condition	PID Value	Circuit Test
   A/C Selector Switch (ACS)	A/C Selector Switch In A/C Position	ON	KM
   A/C Selector Sw In Other Than A/C Position		OFF	KM
   Blower Motor Switch(BLR SW)	Switch In Positions 3 or 4	ON	KM
   Switch In Positions 1 or 2		OFF	KM
   Brake On/Off Switch (STP SW)	Brake Pedal Depressed	ON	FD
   Brake Pedal Release		OFF	FD
   Daytime Running Lights Switch (DRL SW)	Parking Brake Released, Key On	ON
   (DRL SW)	Parking Brake Set, Key On	OFF
   Headlight Switch (HDL SW)	Headlights On	ON	DI
   Headlights Off		OFF	DI
   High Fan Control Switch (FANPH)	DLC 10 Pin Grounded/Gas Pedal Depressed	ON	KF
   DLC Not Grounded		OFF	KF
   Idle Switch (IDL SW)	Gas Pedal Depressed	OFF	DH
   Gas Pedal Released		ON	DH
   Overdrive Off Switch (O/D SW)	O/D Off Switch Depressed	ON	TB
   O/D Off Switch Released		OFF	TB
   Trans. Range Switch (RANGE)	Lever In P Position	P/N	TD
   Lever In R Position		REV	TD
   Lever In N Position		P/N	TD
   Lever In D Position		DRIVE	TD
   Lever In 2 Position		MAN2	TD
   Lever In 1 Position		MAN1	TD
   Park/Neutral Position (NL SW)	Shifter In NEUTRAL	ON	TA
   Shifter In Any Gear		OFF	TA
   Clutch Pedal Position (CPPSW)	Clutch Pedal Depressed	ON	TA
   Clutch Pedal Released		OFF	TA
   Rear Window Defrost (DEF SW)	Rear Defroster Switch On	ON	DI
   Rear Defroster Switch Off		OFF	DI