GSIC - Global Service Information Center

# ELECTRONIC CONTROLLED AUTOMATIC TRANSMISSION SYSTEM > TERMINALS OF ECU

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ECM

Symbols (Terminal No.) | Wiring Color | Terminal Description | Condition | Specified Condition
NSW (E4-6) - E1 (E6-7) | L-Y - BR | PNP switch signal | Ignition switch ON and shift lever on P or N | Below 3 V
NSW (E4-6) - E1 (E6-7) | L-Y - BR | PNP switch signal | Ignition switch ON and shift lever not on P or N | 9 to 14 V
STP (E5-15) - E1 (E6-7) | G-W - BR | Stop light switch signal | Brake pedal is depressed | 7.5 to 14 V
STP (E5-15) - E1 (E6-7) | G-W - BR | Stop light switch signal | Brake pedal is released | Below 1.5 V
STA (E4-7) - E1 (E6-7) | B-Y - BR | Starter signal | Ignition switch ON and shift lever on P or N | Below 3 V
STA (E4-7) - E1 (E6-7) | B-Y - BR | Starter signal | Ignition switch ON and shift lever not on P or N | 9 to 14 V
CAN+ (E5-22) - E1 (E6-7) | V - BR | CAN communication line | Ignition switch ON | Pulse generation (see waveform 6)
CAN- (E5-21) - E1 (E6-7) | P - BR | CAN communication line | Ignition switch ON | Pulse generation (see waveform 7)

TCM

Symbols (Terminal No.) | Wiring Color | Terminal Description | Condition | Specified Condition
IG2 (T17-6) - E1 (T19-1) | B-O - BR | Ignition switch | Ignition switch ON | 9 to 14 V
NSW (T19-12) - E1 (T19-1) | L-Y - BR | PNP switch signal | Ignition switch ON and shift lever on P or N | Below 3 V
NSW (T19-12) - E1 (T19-1) | L-Y - BR | PNP switch signal | Ignition switch ON and shift lever not on P or N | 9 to 14 V
S2 (T19-17) - E1 (T19-1) | W-L - BR | S2 solenoid signal | Ignition switch ON | Below 1.5 V
S2 (T19-17) - E1 (T19-1) | W-L - BR | S2 solenoid signal | 2nd or 3rd gear | 9 to 14 V
S2 (T19-17) - E1 (T19-1) | W-L - BR | S2 solenoid signal | 1st or O/D gear | Below 1.5 V
S1 (T19-18) - E1 (T19-1) | GR - BR | S1 solenoid signal | Ignition switch ON | 9 to 14 V
S1 (T19-18) - E1 (T19-1) | GR - BR | S1 solenoid signal | 1st or 2nd gear | 9 to 14 V
S1 (T19-18) - E1 (T19-1) | GR - BR | S1 solenoid signal | 3rd or O/D gear | Below 1.5 V
SLT+ (T19-20) - SLT- (T19-19) | G-Y - L-B | SLT solenoid signal | Ignition switch ON | Below 3 V
SLT+ (T19-20) - SLT- (T19-19) | G-Y - L-B | SLT solenoid signal | Engine idle speed | Pulse generation (see waveform 1)
SL (T19-16) - E1 (T19-1) | G - BR | SL solenoid signal | Ignition switch ON | Pulse generation (see waveform 2)
SL (T19-16) - E1 (T19-1) | G - BR | SL solenoid signal | Vehicle driving under lock-up condition | 9 to 14 V
SP2+ (T19-30) - SP2- (T19-29) | R - G | No. 2 vehicle speed sensor (SP2) signal | Vehicle is running | Pulse generation (see waveform 3)
NC0+ (T19-3) - NC0- (T19-2) | V - P | O/D direct clutch speed sensor (NC0) signal | Engine is idling | Pulse generation (see waveform 4)
THOC (T19-24) - E2 (T19-23) | B-R - B-Y | ATF temperature sensor signal | ATF temperature: 115°C (239°F) or more | Below 1.5 V
L (T18-10) - E1 (T19-1) | G-R - BR | L shift position switch signal | Ignition switch ON and transfer shift lever on L | 7.5 to 14 V
L (T18-10) - E1 (T19-1) | G-R - BR | L shift position switch signal | Ignition switch ON and transfer shift lever not on L | Below 1.5 V
2 (T18-11) - E1 (T19-1) | L - BR | 2 shift position switch signal | Ignition switch ON and transfer shift lever on 2 | 7.5 to 14 V
2 (T18-11) - E1 (T19-1) | L - BR | 2 shift position switch signal | Ignition switch ON and transfer shift lever not on 2 | Below 1.5 V
D (T18-8) - E1 (T19-1) | G-Y - BR | D shift position switch signal | Ignition switch ON and transfer shift lever on D or 3 | 7.5 to 14 V
D (T18-8) - E1 (T19-1) | G-Y - BR | D shift position switch signal | Ignition switch ON and transfer shift lever not on D or 3 | Below 1.5 V
R (T18-9) - E1 (T19-1) | R-Y - BR | R shift position switch signal | Ignition switch ON and transfer shift lever on R | 7.5 to 14 V
R (T18-9) - E1 (T19-1) | R-Y - BR | R shift position switch signal | Ignition switch ON and transfer shift lever not on R | Below 1.5 V
SP1 (T17-25) - E1 (T19-1) | V-R - BR | Speed signal | Vehicle speed 20 km/h (12 mph) | Pulse generation (see waveform 5)
STP (T17-14) - E1 (T19-1) | G-W - BR | Stop light switch signal | Ignition switch ON and brake pedal is depressed | 7.5 to 14 V
STP (T17-14) - E1 (T19-1) | G-W - BR | Stop light switch signal | Ignition switch ON and brake pedal is released | Below 1.5 V
3 (18-12) - E1 (T19-1) | G-O - BR | 3 shift position switch signal | Ignition switch ON and transfer shift lever on 3 | 7.5 to 14 V
3 (18-12) - E1 (T19-1) | G-O - BR | 3 shift position switch signal | Ignition switch ON and transfer shift lever not on 3 | Below 1.5 V
STA (T19-11) - E1 (T19-1) | B-Y - BR | Starter signal | Cranking | 6 V or more
SIL (T18-23) - E1 (T19-1) | R-Y - BR | Terminal SIL of DLC3 | Connect intelligent tester to DLC3 | Pulse generation
WFSE (T18-24) - E1 (T19-1) | W - BR | Terminal SIL of DLC3 | Ignition switch ON | 9 to 14 V
L4 (T18-15) - E1 (T19-1) | G-W - BR | L4 shift position switch signal | Ignition switch ON and transfer shift lever on L4 | Below 1.5 V
L4 (T18-15) - E1 (T19-1) | G-W - BR | L4 shift position switch signal | Ignition switch ON and transfer shift lever not on L4 | 7.5 to 14 V
TFN (T18-16) - E1 (T19-1) | W-G - BR | N shift position switch signal | Ignition switch ON and transfer shift lever on N | Below 1.5 V
TFN (T18-16) - E1 (T19-1) | W-G - BR | N shift position switch signal | Ignition switch ON and transfer shift lever not on N | 7.5 to 14 V
CAN+ (T17-21) - E1 (T19-1) | V - BR | CAN communication line | Ignition switch ON | Pulse generation (see waveform 6)
CAN- (T17-20) - E1 (T19-1) | P - BR | CAN communication line | Ignition switch ON | Pulse generation (see waveform 7)

Waveform 1 (Reference)

Item | Content
Symbols (Terminal No.) | SLT+ (T19-20) - SLT- (T19-19)
Tool Setting | 5 V/DIV., 1 msec./DIV.
Condition | Engine idle speed

Waveform 2 (Reference)

Item | Content
Symbols (Terminal No.) | SL (T19-16) - E1 (T19-1)
Tool Setting | 10 V/DIV., 100 msec./DIV.
Condition | Vehicle speed 65 km/h (40 mph), lock-up (ON to OFF)

Waveform 3 (Reference)

Item | Content
Symbols (Terminal No.) | SP2+ (T19-30) - SP2- (T19-29)
Tool Setting | 2 V/DIV., 2 msec./DIV.
Condition | Vehicle speed 20 km/h (12 mph)

Waveform 4 (Reference)

Item | Content
Symbols (Terminal No.) | NC0+ (T19-3) - NC0- (T19-2)
Tool Setting | 5 V/DIV., 0.5 msec./DIV.
Condition | Vehicle speed 20 km/h (12 mph)

Waveform 5 (Reference)

Item | Content
Symbols (Terminal No.) | SP1 (T17-25) - E1 (T19-1)
Tool Setting | 5 V/DIV., 20 msec./DIV.
Condition | While driving vehicle

Waveform 6 (Reference)

Item | Content
Symbols (Terminal No.) | CAN+ (T17-21) - E1 (T19-1)
Tool Setting | 1 V/DIV., 10 msec./DIV.
Condition | Engine is stopped, ignition switch ON

Waveform 7 (Reference)

Item | Content
Symbols (Terminal No.) | CAN- (T17-20) - E1 (T19-1)
Tool Setting | 1 V/DIV., 10 msec./DIV.
Condition | Engine is stopped, ignition switch ON