5/15/2018 2GR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: TERMINALS OF ECM (2007 RX350) 2007 Lexus RX350 MotoLogic

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1 2007 RX350 Report a problem with this article Last Modified: :00:00 U From: Model Year: 2007 Model: RX350 Doc ID: RM X Engine Family: 2GR-FE ody Type: 5Dr. Wagon DS: GK31U HK31U Title: 2GR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: TERMINALS OF ECM (2007 RX350) TERMINALS OF ECM 1. SFI SYSTEM The standard normal voltage between each pair of the ECM terminals is shown in the table below. The appropriate conditions for checking each pair of the terminals are also indicated. The check results should be compared with the standard normal voltage for that pair of terminals, listed in the " " column. The illustration above can be used as a reference to identify the ECM terminal locations. + (E5-1) - E1 (E7-1) +2 (E5-2) - R-Y - L- - Power source of ECM Power source of ECM ATT (E5-3) - - attery (for measuring the battery voltage and for the ECM memory) Always PMP (E5- - L - ent valve (built into pump module) MPMP (E5-6) - G - acuum pump (built into pump module) acuum pump OFF 0 to 3

2 MPMP (E5-6) - G - acuum pump (built into pump module) acuum pump ON +M (E5-7) - MREL (E5-8) - LG - LG - Power source of ETCS throttle motor Always EFI relay IGSW (E5-9) - Y - Ignition switch signal FC (E5-10) - O - C/OPEN relay (fuel pump control) STP (E Stop light switch signal rake pedal depressed 7.5 to 14 STP (E Stop light switch signal rake pedal released elow 1.5 ST1- (E5-16) - GR - Stop light switch signal (opposite to, rake pedal elow 1.5 STP terminal) depressed ST1- (E5-16) - GR - Stop light switch signal (opposite to STP terminal), rake pedal released 7.5 to 14 PA (E5-18) - EPA (E5-20) W - Accelerator pedal position sensor signal (for engine control), Accelerator pedal fully released 0.5 to 1.1 PA (E5-18) - EPA (E5-20) W - Accelerator pedal position sensor signal (for engine control), Accelerator pedal fully depressed 2.6 to 4.5 PA2 (E5-19) - EPA2 (E5-21) R - O Accelerator pedal position sensor signal (for sensor malfunction detection), Accelerator pedal fully released 1.2 to 2.0 PA2 (E5-19) - EPA2 (E5-21) R - O Accelerator pedal position sensor signal (for sensor malfunction detection), Accelerator pedal fully depressed 3.4 to 5.0 EPA (E5-20) - PA (E5-18) - W Accelerator pedal position sensor signal (for engine control), Accelerator pedal fully released 0.5 to 1.1 EPA (E5-20) - PA (E5-18) - W Accelerator pedal position sensor signal (for engine control), Accelerator pedal fully depressed 2.6 to 4.5 EPA2 (E5-21) - PA2 (E5-19) O - R Accelerator pedal position sensor signal (for sensor malfunction detection), Accelerator pedal fully released 1.2 to 2.0

3 EPA2 (E5-21) - PA2 (E5-19) O - R Accelerator pedal position sensor signal (for sensor malfunction detection), Accelerator pedal fully depressed 3.4 to 5.0 PPMP (E5-22) - E2 (E8-28) - L Pressure sensor signal (built into pump module) 3 to 3.6 TC (E5-23) - - Terminal TC of DLC3 CPA (E5-26) - EPA (E5-20) - Power source of accelerator pedal position sensor (for PA) 4.5 to 5.0 CP2 (E5-27) - EPA2 (E5-21) S - O Power source of accelerator pedal position sensor (for PA2) 4.5 to 5.0 TACH (E6-1) - W - Engine speed signal (for combination meter) 11) 10 to 16 CCS (E6-2) - P - Cruise control main switch signal CANCEL switch ON SET/COAST switch ON 6.6 to to 7.1 RES/ACC switch ON 2.3 to 4.0 Main switch ON elow 1 *2 CCHG (E6-4) - GR - Distance control switch signal Cruise control main switch ON MODE switch ON MODE switch OFF elow 1 10 to 14 SPD (E6-8) - LG - ehicle speed signal from combination meter, driving wheel rotated slowly 8)

4 W (E6-30) - E1 (E7-1) - Malfunction Indicator Lamp (MIL) elow 3.0 W (E6-30) - E1 (E7-1) - Malfunction Indicator Lamp (MIL) CANH (E6-33) - CANL (E6-34) CANL (E6-34) - CANH (E6-33) - ody ground #10 (E7-2) - R - W CAN communication circuit Ignition switch off 54 to 69 Ω W - R CAN communication circuit Ignition switch off 54 to 69 Ω - - Earth (ground) circuit of ECM Always elow 1 L - W- #20 (E7-3) - Y - W- #30 (E7-4) - #40 (E W- W - W- Fuel injector #50 (E7-6) - W-L - W- #60 (E7-7) - G - W-

5 #10 (E7-2) - L - W- #20 (E7-3) - Y - W- #30 (E7-4) - - W- #40 (E7- - W - W- Fuel injector 3) #50 (E7-6) - W-L - W- #60 (E7-7) - G - W- PSW (E7-10) - W-R - P/S pressure switch signal STA (E7-11) - - Starter relay Cranking OC2- (E7-14) - OC2+ (E7-1 L- - Camshaft timing Oil Control alve (OC) (Intake side) 1) OC2+ (E7-1 - OC2- (E7-14) - L- Camshaft timing Oil Control alve (OC) (Intake side) 1) OC1- (E7-16) - OC1+ (E7-17) L - Y Camshaft timing Oil Control alve (OC) (Intake side) 1)

6 OC1+ (E7-17) - OC1- (E7-16) Y - L Camshaft timing Oil Control alve (OC) (Intake side) 1) 2+ (E7-18) - 2- (E7-28) P - L ariable alve Timing (T) sensor signal (Intake side) 1+ (E7-19) - 1- (E7-29) G - R ariable alve Timing (T) sensor signal (Intake side) NE- (E7-20) - NE+ (E7-21) NE+ (E7-21) - NE- (E7-20) - W Crankshaft position sensor signal W - Crankshaft position sensor signal E2- (E7-22) - E2+ (E7-23) R - W- L ariable alve Timing (T) sensor signal (Exhaust side)

7 E2+ (E7-23) - E2- (E7-22) W-L - R ariable alve Timing (T) sensor signal (Exhaust side) E1- (E7-24) - E1+ (E7-2 W - ariable alve Timing (T) sensor signal (Exhaust side) E1+ (E7-2 - E1- (E7-24) - W ariable alve Timing (T) sensor signal (Exhaust side) 2- (E7-28) - 2+ (E7-18) L - P ariable alve Timing (T) sensor signal (Intake side) 1- (E7-29) - 1+ (E7-19) R - G ariable alve Timing (T) sensor signal (Intake side) HT1 (E8-1) - HT2 (E9- - W - R - Heated oxygen sensor heater elow 3.0 HT1 (E8-1) - HT2 (E9- - W - R - Heated oxygen sensor heater

8 ACM (E8-3) - G - S for active control mount system M- (E8-4) - ME01 (E9-3) W - W- Throttle drive motor (negative terminal) with warm engine 10) Pluse M+ (E8- - ME01 (E9-3) - W- Throttle drive motor (positive terminal) with warm engine 9) E02 (E8-6) - ody ground - ody ground W- - - Earth (ground) circuit of ECM Always elow 1 W- - - Earth (ground) circuit of ECM Always elow 1 IGT1 (E8-8) - IGT2 (E8-9) - Y - P - IGT3 (E8-10) - IGT4 (E8-11) - G - L - - Ignition coil with igniter (ignition signal) 6) IGT5 (E8-12) - - IGT6 (E8-13) - GE01 (E8-17) Shielded earth (ground) circuit of throttle drive motor Always elow 1

9 OX1 (E8-18) - E2 (E8-28) OX2 (E9-33) - E2 (E8-28) - L - L Heated oxygen sensor signal With engine speed at 2,500 rpm for 2 minutes after warming up 2) TA2 (E8-19) - E2 (E8-28) L- - L Throttle position sensor signal (for sensor malfunction detection), Accelerator pedal fully released 2.1 to 3.1 TA2 (E8-19) - E2 (E8-28) L- - L Throttle position sensor signal (for sensor malfunction detection), Accelerator pedal fully depressed 4.5 to 5.0 TA1 (E8-20) - E2 (E8-28) G-R - L Throttle position sensor signal (for engine control), Throttle valve fully closed 0.5 to 1.2 TA1 (E8-20) - E2 (E8-28) G-R - L Throttle position sensor signal (for engine control), Throttle valve fully open 3.2 to 4.8 THW (E8-21) - E2 (E8-28) -W - L Engine coolant temperature sensor signal, Engine coolant temperature 80 C (176 F) 0.2 to 1.0 THA (E8-22) - E2 (E8-28) W-L - L Intake air temperature sensor signal, Intake air temperature 20 C (68 F) 0.5 to 3.4 C (E8-23) - E2 (E8-28) R - L Power source of sensors (specific voltage) 4.5 to 5.0 IGF1 (E8-24) - W - Ignition coil with igniter (ignition confirmation signal) 4.5 to 5.0 IGF1 (E8-24) - W - Ignition coil with igniter (ignition confirmation signal) 6) AIC (E8-27) - P - S for Air intake control system E2 (E8-28) - L - Earth (ground) circuit of sensors for ETCS Always elow 1 E2G (E8-29) - Y - Earth (ground) circuit of sensor for mass air flow meter Always elow 1 G (E8-30) - E2G (E8-29) R - Y Mass Air Flow (MAF) meter signal, Shift lever position P or N, A/C switch OFF 0.5 to 3.0

10 ACIS (E8-33) - L - S for ACIS (Acoustic Control Induction System) PRG (E8-34) - G - Purge S for EAP system PRG (E8-34) - G - Purge S for EAP system 7) HA2A (E9-1) - E05 (E9-6) - W- A/F sensor heater elow 3.0 HA2A (E9-1) - E05 (E9-6) - W- A/F sensor heater HA1A (E9-2) - E04 (E9-7) L - W- A/F sensor heater elow 3.0 HA1A (E9-2) - E04 (E9-7) ME01 (E9-3) - E03 (E9-4) - L - W- W- - W- - A/F sensor heater Earth (ground) circuit of ECM Always elow 1 Earth (ground) circuit of ECM Always elow 1 HT2 (E9- - HT1 (E8-1) - R - W - Heated oxygen sensor heater elow 3.0 HT2 (E9- - HT1 (E8-1) - R - W - Heated oxygen sensor heater E05 (E9-6) - E04 (E9-7) - W- - W- - Earth (ground) circuit of ECM Always elow 1 Earth (ground) circuit of ECM Always elow 1

11 STAR (E9-8) - W-R - Park/Neutral position switch signal, Shift lever position P or N elow 3.0 STAR (E9-8) - W-R - Park/Neutral position switch signal, Shift lever position other than P or N EKN2 (E9-20) - KNK2 (E9-21) G - R Earth (ground) circuit of knock sensor With engine speed at 4,000 rpm after warming up 4) KNK2 (E9-21) - EKN2 (E9-20) R - G Knock sensor signal With engine speed at 4,000 rpm after warming up 4) A1A+ (E9-22) - A1A+ (E9-22) A/F sensor signal 3.3 A/F sensor signal 3.0 A2A+ (E9-23) - A2A+ (E9-23) - P - A/F sensor signal 3.3 P - A/F sensor signal 3.0 EKNK (E9-28) - KNK1 (E9-29) W - Earth (ground) circuit of knock sensor With engine speed at 4,000 rpm after warming up 4) KNK1 (E9-29) - EKNK (E9-28) - W Knock sensor signal With engine speed at 4,000 rpm after warming up 4) A1A- (E9-30) - Y - A/F sensor 3.3

12 A1A- (E9-30) - A2A- (E9-31) - A2A- (E9-31) - Y - A/F sensor 3.0 L - A/F sensor 3.3 L - A/F sensor 3.0 OX2 (E9-33) - E2 (E8-28) OX1 (E8-18) - E2 (E8-28) - L - L Heated oxygen sensor signal With engine speed at 2,500 rpm for 2 minutes after warming up 2) : The ECM terminal voltage is constant regardless of the output voltage from the sensor. (a) WAEFORM 1 (1) Camshaft timing Oil Control alve (OC) ECM Terminal Names etween OC1+ and OC1-, OC2+ and OC2-, OE1+ and OE1-, or OE2+ and OE2-5 /DI, 1 msec./di The wavelength becomes shorter as the engine rpm increases. (b) WAEFORM 2 (1) Heated oxygen sensor signal ECM Terminal Names etween OX1 and E2, or OX2 and E2 0.2 /DI, 200 msec./di Engine speed is maintained at 2,500 rpm for 2 minutes after sensor is warmed up

13 In the DATA LIST, item O2S 1S2 shows the ECM input values from the heated oxygen sensor. (c) WAEFORM 3 (1) Fuel injector ECM Terminal Names etween #10 (to 60) and E01 30 /DI, 20 msec./di The wavelength becomes shorter as the engine rpm increases. (d) WAEFORM 4 (1) Knock sensor signal ECM Terminal Names etween KNK1 and EKNK, or KNK2 and EKN to 10 /DI, 0.01 to 10 msec./di Engine speed is maintained at 4,000 rpm after engine is warmed up The wavelength becomes shorter as the engine rpm increases. The s and amplitudes displayed differ slightly depending on the vehicle. (e) WAEFORM 5 (1) ariable alve Timing (T) sensor signal (1) (2) Crankshaft position sensor signal (2) ECM Terminal Names (1) etween 1+ and 1-, 2+ and 2-, E1+ and E1-, or E2+ and E2- (2) etween NE+ and NE- 5 /DI, 20 msec./di

14 The wavelength becomes shorter as the engine rpm increases. (f) WAEFORM 6 (1) Igniter IGT signal (from ECM to igniter) (1) (2) Igniter IGF signal (from igniter to ECM) (2) ECM Terminal Names (1) etween IGT (1 to 6) and E1 (2) etween IGF1 and E1 2 /DI, 20 msec./di The wavelength becomes shorter as the engine rpm increases. (g) WAEFORM 7 (1) Purge S for EAP system ECM Terminal Names etween PRG and E1 10 /DI, 50 msec./di If the is not similar to that shown in the illustration, check the again after idling for 10 minutes or more. (h) WAEFORM 8 (1) ehicle speed signal ECM Terminal Names etween SPD and E1 2 /DI, 20 msec./di Driving at 12 mph (20 km/h)

15 The wavelength becomes shorter as the vehicle speed increases. Depending on the vehicle, the output voltage may rise to 12 if influenced by optionally installed systems. (i) WAEFORM 9 (1) Throttle drive motor (positive terminal) ECM Terminal Names etween M+ and ME01 5 /DI, 1 msec./di with warm engine The duty ratio varies depending on the throttle actuator operation. (j) WAEFORM 10 (1) Throttle drive motor (negative terminal) ECM Terminal Names etween M- and ME01 5 /DI, 1 msec./di with warm engine The duty ratio varies depending on the throttle actuator operation. (k) WAEFORM 11 (1) Engine speed signal ECM Terminal Names etween TACH and E1 5 /DI, 10 msec./di The wavelength becomes shorter as the engine rpm increases. (l) WAEFORM 12

16 (1) Airbag sensor assembly ECM Terminal Names etween F/PS and E1 5 /DI, 500 msec./di with warm engine Portions of materials contained herein have been reprinted under license from Toyota Motor Sales, U.S.A., Inc., License Agreement TMS1004

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