Honda Odyssey Service Manual: Rear A/C Control Unit   Inputs and Outputs

Honda Odyssey Service Manual / HVAC / Cooling / Rear A/C System Description / Rear A/C Control Unit   Inputs and Outputs

5 4 3 2 1 REAR A/C CONTROL UNIT CONNECTOR B (5P)Wire side of female terminals

CONNECTOR B

Cavity

Wire color

Terminal name

Description

Signal

1

LT GRN

IG2

IG2 power supply

With ignition switch ON (II): battery voltage

2

BLU

BLW-V-Rr

Feedback signal of power rear transistor drain voltage

With ignition switch ON (II): about 0 V-battery   voltage (depending on rear blower motor speed)

3

BLK

GND

Ground for rear A/C control unit (G652)

Less than 0.2 V at all times

4

WHT

BLW-G-Rr

Outputs rear power transistor gate voltage

With ignition switch ON (II) and fan control button OFF: less than 0.2 V
   With ignition switch ON (II) and fan control button ON: about 4.0 V-battery   voltage (depending on rear blower motor control)

5

ORN

BUS-DATA

Front-Rear communication

???


    Rear A/C Control Unit   Inputs and Outputs

    Rear A/C Control Panel   Inputs and Outputs (With Climate Control)

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