GMC Chevy Colorado 2023 Manual page 450

6-326 Electrical Component and Inline Harness Connector End Views
Q74 Engine Coolant Bypass Valve
Connector Part Information
Harness Type: Engine Wiring Harness
OEM Connector: 2-2236898-5
Service Connector: 19371191
Description: 5-Way F 1.2 MCON-LL Series, Sealed( NA)
Terminal Type ID
I
Pin Size Color
1 0.5 BU
2 0.5 BU / BN
3 0.5 WH / RD
4 0.5 BU / GY
5 0.5 BK / GN
Terminal Part Information
Terminated Lead
Not required
Q74 Engine Coolant Bypass Valve
Circuit
2976 Coolant Diverter Valve Actuator Control Open
2977 Coolant Diverter Valve Actuator Control Close
Engine Control Vehicle Sensors 5 Volt Refer-
480
ence 1
2978 Coolant Diverter Valve Position Signal
580 Engine Control Sensors Low Reference 2
Diagnostic Test Probe
J-35616-12 (BU)
Function
4994456
Terminal Removal Tool
No Tool Required
Terminal Option
Type ID
I
I
I
I
I
2023 - Colorado Electrical Body Builder Manual