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Terminals Of Ecu

  1. CHECK SUSPENSION CONTROL ECU 
Fig 1: Identifying ECU Connector Terminal
G04437402Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
TERMINAL CONDITION

Symbols (Terminal No.) Wiring Color Condition Specified Condition
STP (S20-1) - GND (S20-26, S22-7) G-W - W-B Ignition switch ON, brake pedal is depressed 9 to 14 V
Ignition switch ON, brake pedal is released Below 1.5 V
REG (S20-2) - GND (S20-26, S22-7) B - W-B Ignition switch ON Below 1.5 V
Engine idling 9 to 14 V
SS2+ (S20-3) - GND (S20-26, S22-7) R - W-B Ignition switch ON, steering wheel is turned slowly Alternating between 0 to approximately 5 V
FRO (S20-4) - GND (S20-26, S22-7) R-W - W-B Vehicle driving at about 20 km/h (12 mph) Pulse generation
RC (S20-5) - GND (S20-26, S22-7) G-Y - W-B Engine idling, UP or DOWN button of height select switch is pushed from N position of vehicle height 9 to 14 V
SLAC (S20-6) - GND (S20-26, S22-7) L-R - W-B Engine idling, UP or DOWN button of height select switch is pushed from N position of vehicle height 5 to 14 V
SLFG (S20-7) - GND (S20-26, S22-7) V - W-B Engine idling 9 to 14 V
SLRG (S20-8) - GND (S20-26, S22-7) B-R - W-B Engine idling 9 to 14 V
LO (S20-9) - GND (S20-26, S22-7) Y-R - W-B Ignition switch ON, height control LO indicator light ON 9 to 14 V
Ignition switch ON, height control N or HI indicator light ON Below 1.5 V
NR (S20-10) - GND (S20-26, S22-7) Y-B - W-B Ignition switch ON, height control N indicator light ON 9 to 14 V
Ignition switch ON, height control LO or HI indicator light ON Below 1.5 V
HI (S20-11) - GND (S20-26, S22-7) Y - W-B Ignition switch ON, height control HI indicator light ON 9 to 14 V
Ignition switch ON, height control N or LO indicator light ON Below 1.5 V
MOD4 (S20-12) - GND (S20-26, S22-7) R - W-B Ignition switch ON Alternating between 0 to approximately 5 V
B (S20-13) - GND (S20-26, S22-7) W-L - W-B Ignition switch ON 9 to 14 V
DOOR (S20-15) - GND (S20-26, S22-7) G-Y - W-B Ignition switch ON, each door opened Below 1.5 V
Ignition switch ON, all door closed 9 to 14 V
SS2 (S20-16) - GND (S20-26, S22-7) G-W - W-B Ignition switch ON, steering wheel is turned slowly Alternating between 0 to approximately 5 V
FLO (S20-17) - GND (S20-26, S22-7) R-Y - W-B Vehicle driving at about 20 km/h (12 mph) Pulse generation
EXI (S20-18) - GND (S20-26, S22-7) P-B - W-B Ignition switch ON, center differential lock indicator light ON Below 1.5 V
Ignition switch ON, center differential lock indicator light OFF 9 to 14 V
SLFL (S20-20) - GND (S20-26, S22-7) B-Y - W-B Engine idling, UP or DOWN button of height select switch is pushed from N position of vehicle height 5 to 14 V
SLRL (S20-21) - GND (S20-26, S22-7) B-L - W-B Engine idling, UP or DOWN button of height select switch is pushed from N position of vehicle height 5 to 14 V
VN (S20-23) - GND (S20-26, S22-7) B-R - W-B Ignition switch ON, height control OFF indicator light ON 9 to 14 V
Ignition switch ON, height control OFF indicator light OFF Below 1.5 V
SLB (S20-24) - GND (S20-26, S22-7) L-Y - W-B Engine idling, UP or DOWN button of height select switch is pushed from N position of vehicle height 9 to 14 V
MRLY (S20-25) - GND (S20-26, S22-7) W - W-B Ignition switch ON 9 to 14 V
SHB (S21-1) - GND (S20-26, S22-7) R-B - W-B Ignition switch ON Approx. 5 V
SHRR (S21-2) - GND (S20-26, S22-7) W - W-B Engine idling, UP or DOWN button of height select switch is pushed to N position of vehicle height Approx. 2.5 V
TOIL (S21-3) - GND (S20-26, S22-7) G-R - W-B Engine idling, fluid temperature: 0°C (32°F) or less Min. 3.4 V
Engine idling, fluid temperature: 20°C (68°F) or less Max. 2.4 V
PACC (S21-4) - GND (S20-26, S22-7) R-W - W-B Engine idling, fluid pressure: 0 MPa (0 kgf*cm2 ) 0.5 V
Engine idling, fluid pressure: 6 MPa (60 kgf*cm2 ) 1.7 V
TSW1 (S21-5) - GND (S20-26, S22-7) L-W - W-B Ignition switch ON, damping force control switch is in NORMAL or COMFORT 2 position Below 1.5 V
Ignition switch ON, damping force control switch is in SPORT 1 or SPORT 2 position 9 to 14 V
NSW (S21-6) - GND (S20-26, S22-7) LG-R - W-B Ignition switch ON, height control switch pushed in Below 1.5 V
Ignition switch ON, height control switch released 9 to 14 V
DNSW (S21-7) - GND (S20-26, S22-7) L-B - W-B Ignition switch ON, DOWN button of height select switch pushed Below 1.5 V
UPSW (S21-8) - GND (S20-26, S22-7) R-Y - W-B Ignition switch ON, UP button of height select switch pushed Below 1.5 V
SHG (S21-9) - GND (S20-26, S22-7) G-Y - W-B Always Below 1 Ω
SHFL (S21-10) - GND (S20-26, S22-7) R-L - W-B Engine idling, UP or DOWN button of height select switch is pushed to N position of vehicle height Approx. 2.5 V
SHFR (S21-11) - GND (S20-26, S22-7) R-Y - W-B Engine idling, UP or DOWN button of height select switch is pushed to N position of vehicle height Approx. 2.5 V
L4SW (S21-12) - GND (S20-26, S22-7) B-L - W-B Ignition switch ON, transfer shift level is in L4 position Below 1.5 V
Ignition switch ON, transfer shift level is in H4 position 9 to 14 V
TSW2 (S21-13) - GND (S20-26, S22-7) L-Y - W-B Ignition switch ON, damping mode select switch is in NORMAL or SPORT 1 position Below 1.5 V
Ignition switch ON, damping mode select switch is in COMFORT or SPORT 2 position 9 to 14 V
TS (S21-14) - GND (S20-26, S22-7) W - W-B Ignition switch ON, connect between terminals TS and CG of DLC3 Below 1.5 V
Ignition switch ON 9 to 14 V
TC (S21-15) - GND (S20-26, S22-7) P-B - W-B Ignition switch ON, connect between terminals TC and CG of DLC3 Below 1.5 V
Ignition switch ON 9 to 14 V
SIL (S21-16) - GND (S20-26, S22-7) V-W - W-B Ignition switch ON 9 to 14 V
Ignition (S22-1) - GND (S20-26, S22-7) B-Y - W-B Ignition switch ON 9 to 14 V
RB+ (S22-2) - GND (S20-26, S22-7) G-W - W-B Always Below 1 Ω
RA+ (S22-3) - GND (S20-26, S22-7) W - W-B Always Below 1 Ω
FB+ (S22-4) - GND (S20-26, S22-7) Y - W-B Always Below 1 Ω
FA+ (S22-5) - GND (S20-26, S22-7) B - W-B Always Below 1 Ω
RB- (S22-8) - GND (S20-26, S22-7) LG - W-B Always Below 1 Ω
RA- (S22-9) - GND (S20-26, S22-7) GR - W-B Always Below 1 Ω
FB- (S22-10) - GND (S20-26, S22-7) R - W-B Always Below 1 Ω
FA- (S22-11) - GND (S20-26, S22-7) L - W-B Always Below 1 Ω
GND (S20-26, S22-7) - Body ground W-B - Body ground Always Below 1 Ω
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