Sienna 1998-1999

Connector Pin Identification

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Specific to:

Toyota Sienna 1998



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Fig.

PCM Pin #Wire ColorCircuit Description (28 Pin)Value at Hot Idle
1YLA/T Select Switch LowIn Low: 12v, Others: 0v
2PKMirror Switch SignalSwitch Off: 0v, On: 12v
3GNTail Light SignalSwitch Off: 0v, On: 12v
5GN/BKA/C Amplifier Signal (ACT)Clutch On: 12v, Off: 1.5v
6GN/OROverdrive Main SwitchSwitch Off: 12v, On: 1v
7YL/BKCruise Control ECUAt Cruise in OD: 12v
8RDSIL (Scan Tool Signal)Digital Signal
10ORA/T Select Switch 2ndIn 2nd: 12v, Others: 0v
11BLCruise Control (IDLO) ECU1.5v, off-idle: 12v
12PK/YLVehicle Speed SensorAt 55 mph: 48 Hz
13ORTachometer Signal (TACO)Pulse Signals
14BK/YLDirect Battery12-14v
15RD/BKA/T Select Switch ReverseIn 'R': 12v, Others: 0v
16BK/YLA/C Amplifier Signal (AC1)Clutch On: 1.5v, Off: 12v
17PK/BKHO2S-12 (B1 S2) Heater1v (Heater on)
18WTHO2S-12 (B1 S2) Signal0.1.1-1.5v
23BK/RDEFI Main Relay B+12-14v
24GN/WTStop Light SwitchBrake Off: 0v, On: 12v

Specific to:

Toyota Sienna 1998



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Fig.

PCM Pin #Wire ColorCircuit Description (16 Pin)Value at Hot Idle
2LGEVAP Purge Solenoid (VSV)12v or 0v
3GN/RDMIL (lamp) ControlMIL Off: 12v, On: 1v
5BL/WTData Link Connector12-14v
6RD/YLIntake Air Solenoid12v or 0v
7RD/BKMAF Sensor Ground<0.050v
8WT/RDEVAP Vapor Pressure (VSV)12v or 0v
9GN/WTCooling Fan Relay 1 & 2Relay Off: 12v, On: 1v
10YL/RDHO2S-21 (B2 S1) Heater1v (Heater on)
11BL/BKHO2S-11 (B1 S1) Heater1v (Heater on)
13BL/RDEVAP Vapor Pressure Sensor2.5-3.7v (with hose off)
16BRShield Ground<0.050v

Specific to:

Toyota Sienna 1999-2000



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Fig.

PCM Pin #Wire ColorCircuit Description (22 Pin)Value at Hot Idle
1RD/BKDirect Battery12-14v
2BK/ORIgnition Switch Power12-14v
3LG/RDCircuit Opening Relay (FC)0-3v, at off-idle: 12v
4-5---Not Used---
6GN/RDMIL (lamp) ControlMIL Off: 12v, On: 1v
7 ('00)GYStarter Switch SignalCranking: 0-3v
8YL/GNEFI Main Relay ControlRelay Off: 0v, On: 12v
9WT/RDEVAP Vapor Pressure (VSV)12v or 0v
10---Not Used---
11RDSIL (Scan Tool Signal)Digital Signal
12-14---Not Used---
15GN/WTStop Light Switch SignalBrake Off: 0v, On: 12v
16BK/RDEFI Main Relay Power12-14v
17BL/RDEVAP Vapor Pressure Sensor2.9-3.1v (with hose off)
18PKHeated Mirror Switch SignalSwitch Off: 0v, On: 12v
19GNRear Tail Light Switch SignalSwitch Off: 0v, On: 12v
20-22---Not Used---

Specific to:

Toyota Sienna 1999-2000



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Fig.

PCM Pin #Wire ColorCircuit Description (28 Pin)Value at Hot Idle
1---Not Used---
2RD/BKA/T Select Switch ReverseIn 'R': 12v, Others: 0v
3ORA/T Select Switch 2ndIn 2nd: 12v, Others: 0v
4BLCruise Control ECU (IDLO)1.5v, off-idle: 12v
5-7---Not Used---
8WTHO2S-12 (B1 S2) Signal0.1.1-1.5v
9PK/BKHO2S-12 (B1 S2) Heater1v (Heater on)
10---Not Used---
11-19LG/BKA/C Amplifier Signal (ACT)Clutch On: 12v, Off: 1.5v
12YLA/T Select Switch LowIn Low: 12v, Others: 0v
20BK/WTNeutral Start Circuit SignalIn P/N: Cranking: 0-3v
21, 23---Not Used---
22VT/YLVehicle Speed SensorAt 55 mph: 48 Hz
24YL/BKCruise Control Signal (OD1)At Cruise in OD: 12v
25BK/YLA/C Amplifier Signal (AC1)Clutch On: 1.5v, Off: 12v
26, 28---Not Used---
27VT/RDTachometer Signal (TACO)Pulse Signals
28---Not Used---

Specific to:

Toyota Sienna 1999-2000



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Fig.

PCM Pin #Wire ColorCircuit Description (17-Pin)Value at Hot Idle
1-3, 7-10---Not Used---
4BR/WTTransponder Amplifier CodeInserting key: pulses
5BR/RDTransponder Amplifier SignalInserting key: pulses
6BR/YLTransponder Amplifier SignalInserting key: pulses
11BL/BKUnlock Warning SwitchNo Key: 4-5v
13 ('99)BK/RDShield Ground<0.050v
16RD/WTTheft Security Indicator LightLED Off: 12v, On: 1v

Specific to:

Toyota Sienna 1999-2000



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Fig.

PCM Pin #Wire ColorCircuit Description (24-Pin)Value at Hot Idle
1WT/BKPower Ground (E04)<0.1v
2YLSensor VREF (VC)4.9-5.1v
3 (Fed)BL/BKHO2S-11 (B1 S1) Signal0.1.1-1.5v
3 (Cal)BLAFS-11 (B1 S1) Heater1v (Heater on)
4 (Fed)YL/RDHO2S-21 (B2 S1) Signal0.1.1-1.5v
4 (Cal)BLAFS-21 (B2 S1) Heater1v (Heater on)
5BL/RDInjector 1 Control1.6-2-9 ms
6RDInjector 2 Control1.6-2-9 ms
7LGEVAP Purge Solenoid (VSV)12v or 0v
8WT/BKPower Ground (E05)<0.1v
9BK/BLPSP Switch SignalStraight: 12v, Turned: 0v
10PKMAF Sensor Signal (VG)1.1-1.5v
11 (Fed)WTHO2S-11 (B1 S1) Heater1v (Heater on)
11 (Cal)ORAFS-11 (B1 S1) Signal (AF+)Fixed at 3.3v
12 (Fed)BKHO2S-21 (B2 S1) Heater1v (Heater on)
12 (Cal)ORAFS-21 (B2 S1) Signal (AF+)Fixed at 3.3v
14GN/BKECT Sensor Signal (THW)0.5-0.6v
15GN/YLA/T: Fluid Temp. Input (THO)At 68°F: 4-5v
16BK/RDCKP Sensor Signal (NE+)AC pulse signals
17BRShield Ground (E1)<0.050v
18BRSensor Ground (E2)<0.050v
19RD/BKMAF Sensor Ground (E2G)<0.050v
20 (Cal)WTAFS-11 (B1 S1) Signal (AF-)Fixed at 3.3v
21 (Cal)WTAFS-21 (B2 S1) Signal (AF-)Fixed at 3.3v
22BL/YLIAT Sensor Signal (THA)0.5-3.4v
23BL/WTTP Sensor Signal (VTA1)0.53-1.27v
24BLCMP/CKP Sensor Ground (-)<0.050v

Specific to:

Toyota Sienna 1999-2000



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Fig.

PCM Pin #Wire ColorCircuit Description (31-Pin)Value at Hot Idle
1YLInjector 3 Control1.6-2-9 ms
2WTInjector 4 Control1.6-2-9 ms
3RD/BLInjector 5 Control1.6-2-9 ms
4GNInjector 6 Control1.6-2.9 ms
5---Not Used---
6BL/WTDLC 1 Signal (TC)12v
7VTA/T-ECT Shift Solenoid (S1)In 3rd or OD: 1v
8BL/BKA/T-ECT Shift Solenoid (S2)1st or OD: 1v
9PK/BLA/T-ECT Shift Solenoid (SL)In Lockup: 12-14v
10BK/WTCMP Sensor Signal (G22+)AC pulse signals
11GYIGT 1 Control6°, 55 mph: 8° dwell
12BR/YLIGT 2 Control6°, 55 mph: 8° dwell
13LG/BKIGT 3 Control6°, 55 mph: 8° dwell
14---Not Used---
15YL/BKIAC Signal (RSC)Pulse Signals
16RD/WTIAC Signal (RSO)Pulse Signals
17RD/YLACIS Control (VSV)12v or 0v
18GN/RDOverdrive Lamp ControlAt Cruise in OD: 1v
19-20---Not Used---
21WT/BKPower Ground (E01)<0.1v
22---Not Used---
23G/OROD Main Sw. Input (ODMS)Open: 12v, Closed: 1v
25WT/RDIgniter Signal (IGF)Digital Signal: 0-5-0v
26---Not Used---
27WTKnock Sensor 1 Signal (right)<0.075v AC
28WTKnock Sensor 2 Signal (left)<0.075v AC
29GN/WTCooling Fan 1 RelayRelay Off: 12v, On: 1v
30WT/BKPower Ground (E03)<0.1v
31WT/BKPower Ground (E01)<0.1v
 
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