Honda HR-V: Under-Dash Subrelay Box Removal, Installation, and Test
Removal & Installation
1. Keyless Access Control Unit - Remove
2. Under-Dash Subrelay Box - Remove
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- Remove the under-dash subrelay box (A).
3. All Removed Parts - Install
- Install the parts in the reverse order of removal.
Test
1. Under-Dash Subrelay Box - Test
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The under-dash subrelay box is contains these relays:
- IG1A relay circuit
- IG1B relay circuit
- IG2 relay circuit
1. Test each relay circuit as shown:
IG1A relay, IG1B relay, and IG2 relay
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IG1A relay circuit
There should be continuity between terminals A1 and C3 (or B7), when 12 volt battery power is connected to terminal B3, and body ground is connected to terminal B1. There should be no continuity between terminals A1 and C3 (or B7) when power is disconnected.
IG1B relay circuit
There should be continuity between terminals A2 and C2 (or B6), when 12 volt battery power is connected to terminal B3, and body ground is connected to terminal B1. There should be no continuity between terminals A2 and C2 (or B6) when power is disconnected.
IG2 relay circuit
There should be continuity between terminals A1 and C4 (or B5), when 12 volt battery power is connected to terminal B4, and body ground is connected to terminal B1. There should be no continuity between terminals A1 and C4 (or B5) when power is disconnected.
2. If any of these relay circuit fails the test, replace the under-dash subrelay box.
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Under-Hood Fuse/Relay Box Removal and Installation
Special Tools Required
Relay Puller 07AAC-000A2A1 or
07AAC-000A1A0
Removal & Installation
NOTE: The under-hood fuse/relay box is a part of the left engine compartment
wire harness, and it cannot
Fuse Relay Box Connector Locations
FUSE/RELAY BOX CONNECTOR LOCATIONS
12 Volt Battery Terminal Fuse Box
Under-Hood Fuse/Relay Box
*1: Without keyless access system
*2: With keyless access system
Auxiliary Under-Hood Relay Box A
*:
SEE MORE:
Front Passenger's Weight Sensor Removal and Installation
Removal
SRS components are located in this area. Review the SRS component locations -
Refer to: SRS Component
Location Index (KA/KC), or SRS Component Location Index (KA/KC) and the
precautions and
procedures before doing repairs or service.
NOTE:
Removal of the front passenger's weight sensors
CVTF Warmer Removal and Installation (CVT)
Removal
NOTE: Keep all foreign particles out of the transmission.
1. Radiator Coolant - Drain
2. Front Grille Cover - Remove
3. Air Cleaner - Remove
4. Transmission Fluid Warmer Hose - Disconnect
Disconnect the transmission fluid warmer hoses (A).NOTE: Be careful not to damage the transmission fl
