Trouble Code Component Menu

TROUBLE CODES

Trouble Code

Source or Component

Ignition Pulse

Crank Angle Sensor

17 ⁽¹⁾

Starter Switch

25 ⁽¹⁾

Throttle Sensor or Idle Switch

31 ⁽¹⁾

Car Speed Sensor

32 ⁽¹⁾

Oxygen Sensor

Coolant Thermosensor

Airflow Meter

Fuel Injector

46 ⁽¹⁾

Neutral Park Switch

Fuel Pump

55 ⁽¹⁾

KDLH Control System

57 ⁽¹⁾

Canister Control System

58 ⁽¹⁾

Air Control Valve

62 ⁽¹⁾

EGR Control System

88 ⁽¹⁾

SPFI Control Unit

⁽¹⁾	These items develop problems after operating in excess of 1500 RPM for a specified time. With other items, problems are indicated immediately after detection.

Fig 1: Check Connector Identification

Fig 2: Check Connector Locations

CHECK CONNECTOR I PIN IDENTIFICATION

Pin	Color	Source
1	WY	Ignition Control
2	Y	Ignition Pulse Monitor
3	L	Air Conditioner Signal
4	GR	Air Control Valve
5	BY	Ignition System Ground
6	GW	Throttle Sensor Signal
7	GY	Throttle Sensor Power Source
8	WB	Water Temp. Sensor Signal
9	LGY	Starter Signal

CHECK CONNECTOR II PIN IDENTIFICATION

Pin	Color	Source
1	WB	Backup PWR Source
2	LGR	KDLH Monitor
3	LG	KDLH Control
4	LB	Fuel Pump Control
5	GW	Self Shut-Off Control
6	WB	Control Unit Power Source
7	YL	Parking Switch Signal
8	YM	Neutral Switch Signal
9	YR	Vehicle Speed Signal

CHECK CONNECTOR III PIN IDENTIFICATION

Pin	Color	Source
1	N/A	N/A
2	LY	EGR Solenoid Valve Control
3	LW	Fuel Pump Monitor
4	W	TIM (For Line End Check)
5	L	Rx (For Line End Check)
6	RY	Ignition Power Source
7	LR	KDLH Signal
8	GL	Canister Solenoid Valve Control
9	N/A	N/A
10	G	Idle Switch Signal
11	RY	Trouble Code Output
12	RL	Tx (For Line End Check)
13	B	Drive System Ground

CHECK CONNECTOR IV PIN IDENTIFICATION

Pin	Color	Source
1	N/A	N/A
2	N/A	N/A
3	N/A	N/A
4	RY	Ignition Power Source
5	N/A	N/A
6	R	Trouble Code Output
7	N/A	N/A
8	N/A	N/A
9	N/A	N/A
10	B	Drive System Ground
11	LG	Calif. Identification Signal
12	BR	Control System Gland
13	BR	Test Mode Signal

CHECK CONNECTOR V PIN IDENTIFICATION

Pin	Color	Source
1	RW	Positive Injector Control
2	RB	Negative Injector Control
3	RL	Injector Power Source
4	N/A	N/A
5	BR	Injector System Ground

NOTE: When using the charts, check the connector while it is connected unless specified otherwise. Be sure to check again from the beginning in order to prevent secondary trouble caused by repair work. When checking with vacuum hose disconnected from vacuum switch at E/G on, be sure to plug the hose.