Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Gauge Control Module Connector for Inputs and Outputs (2016 2017 2018)
| Terminal number | Terminal name | Description | Signal |
|---|---|---|---|
| 1* 4 | GND | Ground for gauge control module | Less than 0.2 V at all times |
| 2 | Not used | --- | --- |
| 3* 4 | ILL- (LED) | Outputs ILLUMI+ signal | --- |
| 4 | PARKING BRAKE SW | Detects PARKING BRAKE SW signal | With vehicle in ON mode and electric parking brake switch OFF: about battery voltage With vehicle in ON mode and electric parking brake switch ON: less than 0.2 V |
| 5* 4 | ILLUMI- (BULB) | Outputs ILLUMI- (BULB) signal | --- |
| 6 | BRAKE LEVEL SW | Detects BRAKE LEVEL SW signal | With vehicle in ON mode and brake fluid level switch OFF: about battery voltage With vehicle in ON mode and brake fluid level switch ON: less than 0.2 V |
| 7* 5 | WASHER LEVEL SNSR | Detects WASHER LEVEL SENSOR signal | With vehicle in ON mode and washer fluid level switch OFF: about battery voltage With vehicle in ON mode and washer fluid level switch ON: less than 0.2 V |
| 8 | VSA OFF SW | Detects VSA OFF SW signal | With vehicle in ON mode and VSA off switch OFF: about battery voltage With vehicle in ON mode and VSA off switch ON: less than 0.2 V |
| 9* 1 | ILLUMI CANCEL | Outputs ILLUMI CANCEL signal | With combination light switch in PARKING and illumination full brightness: less than 0.2 V If none of above conditions are met: about 3 V |
| 10 | Not used | --- | --- |
| 11 | FUEL GAUGE+ | Detects FUEL GAUGE+ signal | --- |
| 12* 2 | TAM | Detects TAM signal | With vehicle in ON mode: about 0.2 - 4.9 V (depending on outside air temperature sensor) |
| 13 | Not used | --- | --- |
| 14* 3 | CRUISE SW | Detects CRUISE SW signal | With vehicle in ON mode: about 0.8 - 4.4 V (depending on cruise control combination switch) |
| 15 | IG1 METER | IG1 power source | With vehicle in ON mode: about battery voltage |
| 16 | +B BACK UP | Power source for gauge control module | About battery voltage at all times |
| 17 | GND | Ground for gauge control module | Less than 0.2 V at all times |
| 18 | FUEL GAUGE- | Ground for fuel gauge sending unit | --- |
| 19* 3 | CRUISE GND | Ground for cruise control switch | Less than 0.2 V at all times |
| 20* 2 | OUTSIDE TEMP GND | Ground for outside air temperature sensor | Less than 0.2 V at all times |
| 21 | F-CAN H | Communication line | --- |
| 22 | F-CAN L | Communication line | --- |
*1: CVT
*2: Without climate control
*3: With cruise control
*4: With dashlights brightness control
*5: Canada model
*6: With ECON switch
*7: With forward collision warning or lane departure warning
| Terminal number | Terminal name | Description | Signal |
|---|---|---|---|
| 23 | B-CAN H | Communication line | --- |
| 24 | B-CAN L | Communication line | --- |
| 25 | TPMS SW | Detects TPMS SW signal | With vehicle in ON mode and TPMS switch OFF: about battery voltage With vehicle in ON mode and TPMS switch ON: less than 0.2 V |
| 26* 6 | ECON SW | Detects ECON SW signal | With vehicle in ON mode and ECON switch OFF: about battery voltage With vehicle in ON mode and ECON switch ON: less than 0.2 V |
| 27* 7 | FCW OFF SW | Detects FCW OFF SW signal | With vehicle in ON mode and FCW OFF switch OFF: about battery voltage With vehicle in ON mode and FCW OFF switch ON: less than 0.2 V |
| 28 | Not used | --- | --- |
| 29 | Not used | --- | --- |
| 30 | BRAKE HOLD | Detects BRAKE HOLD signal | With automatic brake hold switch OFF: about 3.7 V With automatic brake hold switch ON: about 2.1 V |
| 31 | PARK LAMP | Detects PARK LAMP signal | With electric parking brake switch OFF: about battery voltage With electric parking brake switch ON: less than 0.2 V |
| 32 | Not used | --- | --- |
*1: CVT
*2: Without climate control
*3: With cruise control
*4: With dashlights brightness control
*5: Canada model
*6: With ECON switch
*7: With forward collision warning or lane departure warning
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.