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Home >> Honda >> 2021 >> Ridgeline RTL, AWD >> Repair and Diagnosis >> Drivelines & Axles >> Differentials & Drive Axles >> Differential - Service, Testing And Troubleshooting >> Connector View >> i-VTM Control Unit Connector for Inputs and Outputs (AWD) (2017 2018 2019)

i-VTM Control Unit Connector for Inputs and Outputs (AWD) (2017 2018 2019)

i-VTM Control Unit 24P Connector (female terminals) 

GHH451213Courtesy of HONDA, U.S.A., INC.
Terminal number Signal Description Measuring Conditions/Terminal Voltage
1 +B 4WD Power source for i-VTM control unit Battery voltage at all times
2 4WD PWR Power source for i-VTM system Vehicle in ON mode: battery voltage
3 Not used --- ---
4 GND Ground for i-VTM control unit Vehicle in ON mode: about 0 V
5 SG2 Ground for left rear differential fluid pressure sensor Vehicle in ON mode: about 0 V
6 LSH Drives left rear differential solenoid valve (positive) With left rear differential solenoid valve off: about 0 V With left rear differential solenoid valve on: battery voltage
7 LSL Drives left rear differential solenoid valve (negative) Vehicle in ON mode: about 0 V
8 SVCC2 Power supply for left rear differential fluid pressure sensor Vehicle in ON mode: about 5.0 V
9 LPS Detects left rear differential fluid pressure sensor signal Vehicle in ON mode: about 0 V to 5.0 V (Depending on rear differential fluid pressure)
10 4WD FSR Power source for i-VTM relay Vehicle in ON mode: about 0 V Vehicle in OFF (LOCK) mode: battery voltage
11 SG3 Ground for rear differential fluid temperature sensor Vehicle in ON mode: about 0 V
12 IG1 OPTION Power source for i-VTM control unit Vehicle in ON mode: battery voltage
13 4WD CANH Sends and receives communication signal Vehicle in ON mode: pulses
14 F-CAN_H Sends and receives communication signal Vehicle in ON mode: pulses
15 RSH Drives right rear differential solenoid valve (positive) With right rear differential solenoid valve off: about 0 V With right rear differential solenoid valve on: battery voltage
16 RSL Drives right rear differential solenoid valve (negative) Vehicle in ON mode: about 0 V
17 SG1 Ground for right rear differential fluid pressure sensor Vehicle in ON mode: about 0 V
18 TOH Detects rear differential fluid temperature sensor signal Vehicle in ON mode: about 0 V to 5.0 V (Depending on rear differential fluid temperature)
19 SVCC1 Power supply for right rear differential fluid pressure sensor Vehicle in ON mode: about 5.0 V
20 TOH2 Detects rear differential fluid temperature sensor 2 signal Vehicle in ON mode: about 0 V to 5.0 V (Depending on rear differential fluid temperature)
21 RPS Detects right rear differential fluid pressure sensor signal Vehicle in ON mode: about 0 V to 5.0 V (Depending on rear differential fluid pressure)
22 SG4 Ground for rear differential fluid temperature sensor 2 Vehicle in ON mode: about 0 V
23 4WD CANL Sends and receives communication signal Vehicle in ON mode: pulses
24 F-CAN_L Sends and receives communication signal Vehicle in ON mode: pulses