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.
READ NEXT:
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:
Playing the AM/FM Radio
The ST indicator appears on the display indicating
stereo FM broadcasts.
Stereo reproduction in AM is not available.
You can store 6 AM stations and 12 FM stations into
the preset memory.
Switching the Audio Mode
Press the SOURCE button on the steering wheel.
■Radio Data System (RDS)
Provides
Rear Differential Pressure Test (AWD)
Test
NOTE: Before doing the pressure test, check the following conditions.
Check that the AWD system indicator does not come on. If it does, check
for AWD with intelligent control system DTCs.
Check the rear differential fluid level.
Check for rear differential fluid leaks at the rear different
