Honda HR-V Owners & Service Manuals

Honda HR-V: Reminder Systems (MICU And Gauge Control Module) Input Test

Honda HR-V (2015-2021) Service Manual / Accessories & Equipment / Gauges - Testing & Troubleshooting / Testing / Reminder Systems (MICU And Gauge Control Module) Input Test

NOTE:

  • If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A - Refer to: Body Electrical Troubleshooting - B-CAN System Diagnosis Test Mode A - Initial Communication and DTC Checks,.
  • Before testing, do the gauge control module self-diagnostic function to make sure the beeper and the indicators in the gauge control module work properly and the F-CAN line are OK.
  • Before testing, make sure the No. B21 (10 A) fuse in the under-hood fuse/relay box are OK.
  • Before testing, make sure the No. C34 (7.5 A) fuse in the under-dash fuse/relay box is OK.

MICU

1. Turn the vehicle to the OFF (LOCK) mode

2. Disconnect under-dash fuse/relay box connectors B, D, H, N, and Q.

NOTE: All connector views are shown from the wire side of the female terminals.

Gauges - Testing & Troubleshooting

3. Inspect the connectors and socket terminals to be sure they are all making good contact:

  • If the terminals are bent, loose, or corroded, repair them as necessary, and recheck the system.
  • If the terminals are OK, go to step 4.

4. With the connectors still disconnected, do the following input tests:

  • If any test indicates a problem, find and correct the cause, then recheck the system.
  • If all the input tests prove OK, go to step 5.

Gauges - Testing & Troubleshooting

Gauges - Testing & Troubleshooting

*1: Without keyless access system
*2: With keyless access system

5. Reconnect the connectors to the under-dash fuse/relay box, and do the following input tests:

  • If any test indicates a problem, find and correct the cause, then recheck the system.
  • If all the input tests prove OK, go to step 6.

Gauges - Testing & Troubleshooting

Gauges - Testing & Troubleshooting

Gauge Control Module

6. Turn the vehicle to the OFF (LOCK) mode.

7. Disconnect the gauge control module 32P connector.

Gauges - Testing & Troubleshooting

8. Inspect the connector and socket terminals to be sure they are all making good contact:

  • If the terminals are bent, loose, or corroded, repair them as necessary, and recheck the system.
  • If the terminals are OK, go to step 9.

9. With the connectors still disconnected, do the following input tests:

  • If any test indicates a problem, find and correct the cause, then recheck the system.
  • If all the input tests prove OK, go to step 10.

Gauges - Testing & Troubleshooting

10.Reconnect the connector, and do the following input tests:

  • If any test indicates a problem, find and correct the cause, then recheck the system.
  • If all the input tests prove OK, go to step 11.

Gauges - Testing & Troubleshooting

11.If multiple failures are found on more than one control unit, replace the under-dash fuse/relay box (includes the MICU). If input failures are related to a particular control unit, replace the gauge control module.

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