Reminder Systems (Body Control Module and Gauge Control Module) Input Test

NOTE:

Make sure the fuses associated with the system are OK.
If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A .
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.

Body Control Module

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

2. Disconnect body control module connectors.

Body Control Module Connector A (14P) (female terminals): Body Control Module Connector C (28P) (female terminals): Body Control Module Connector D (40P) (female terminals): Body Control Module Connector E (24P) (female terminals):

Courtesy of HONDA, U.S.A., INC.

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. Reconnect the connectors to the body control module, 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 5.

Cavity	Wire	Test condition	Test: Desired result	Possible cause if desired result is not obtained
C27	WHT	Under all conditions	Measure the voltage to ground:There should be battery voltage.	An open or high resistance in the wire

*: Without keyless access system

Cavity	Wire	Test condition	Test: Desired result	Possible cause if desired result is not obtained
E1	BLU	Vehicle ON mode	Measure the voltage to ground:There should be battery voltage.	An open or high resistance in the wire
A2	BLK	In all power modes	Measure the voltage to ground:There should be less than 0.2 V.	Poor ground (G401) An open or high resistance in the ground wire
A8	BLK	In all power modes	Measure the voltage to ground:There should be less than 0.2 V.	Poor ground (G401) An open or high resistance in the ground wire
D22	GRN	Driver's door open	Measure the voltage to ground:There should be less than 0.2 V.	Faulty driver's door switch Faulty driver's door switch ground An open or high resistance in the wire
D22	GRN	Driver's door closed	Measure the voltage to ground:There should be battery voltage.	Faulty driver's door switch A short to ground in the wire
D23	LT GRN	Front passenger's door open	Measure the voltage to ground:There should be less than 0.2 V.	Faulty front passenger's door switch Faulty front passenger's door switch ground An open or high resistance in the wire
D23	LT GRN	Front passenger's door closed	Measure the voltage to ground:There should be battery voltage.	Faulty front passenger's door switch A short to ground in the wire
D24	BRN	Left rear door open	Measure the voltage to ground:There should be less than 0.2 V.	Faulty left rear door switch Faulty left rear door switch ground An open or high resistance in the wire
D24	BRN	Left rear door closed	Measure the voltage to ground:There should be battery voltage.	Faulty left rear door switch A short to ground in the wire
D28	GRY	Right rear door open	Measure the voltage to ground:There should be less than 0.2 V.	Faulty right rear door switch Faulty right rear door switch ground An open or high resistance in the wire
D28	GRY	Right rear door closed	Measure the voltage to ground:There should be battery voltage.	Faulty right rear door switch A short to ground in the wire

*: Without keyless access system

Cavity	Wire	Test condition	Test: Desired result	Possible cause if desired result is not obtained
D27	WHT	Tailgate open	Measure the voltage to ground:There should be less than 0.2 V.	Faulty power tailgate closer unit or faulty tailgate latch switch Poor ground (G505) or an open in the ground wire An open or high resistance in the wire
D27	WHT	Tailgate closed	Measure the voltage to ground:There should be battery voltage.	Faulty power tailgate closer unit or faulty tailgate latch switch A short to ground in the wire
D26*	PNK	Ignition key inserted into the ignition key switch	Measure the voltage to ground:There should be less than 0.2 V.	Faulty ignition key switch An open or high resistance in the wire
D26*	PNK	Ignition key removed from the ignition key switch	Measure the voltage to ground:There should be battery voltage.	Faulty ignition key switch A short to ground in the wire
C10*C3	PNK*BLK	Combination light switch OFF	Measure the voltage between terminals C10 and C3:There should be less than 0.2 V.	Faulty combination light switch An open or high resistance in the wire
C10*C3	PNK*BLK	Combination light switch in any position other than OFF	Measure the voltage between terminals C10 and C3:There should be battery voltage.	Faulty combination light switch A short to ground in the wire
C11*C3	GRY*BLK	Combination light switch (PARKING position) ON	Measure the voltage between terminals C11 and C3:There should be less than 0.2 V.	Faulty combination light switch An open or high resistance in the wire
C11*C3	GRY*BLK	Combination light switch OFF	Measure the voltage between terminals C11 and C3:There should be battery voltage.	Faulty combination light switch A short to ground in the wire
C9*C3	PNK*BLK	Combination light switch (headlight) ON	Measure the voltage between terminals C9 and C3:There should be less than 0.2 V.	Faulty combination light switch An open or high resistance in the wire
C9*C3	PNK*BLK	Combination light switch OFF	Measure the voltage between terminals C9 and C3:There should be battery voltage.	Faulty combination light switch A short to ground in the wire

*: Without keyless access system

Gauge Control Module

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

6. Disconnect the gauge control module connector A (32P).

Gauge Control Module Connector A (32P) (female terminals)

Courtesy of HONDA, U.S.A., INC.

7. 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 8.

8. With the connector still disconnected, do the following input tests:

If any test indicates a problem, find and correct the cause, then recheck the system.
If the input tests prove OK, go to step 9.

Cavity	Wire	Test condition	Test: Desired result	Possible cause if desired result is not obtained
A10	PNK	Disconnect the VSA modulator-control unit 46P connector	Check for continuity between terminal No. A10 and VSA modulator-control unit 46P connector terminal No. 29: There should be continuity.	An open or high resistance in the wire

9. 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 10.

Cavity	Wire	Test condition	Test: Desired result	Possible cause if desired result is not obtained
A1	WHT	Under all conditions	Measure the voltage to ground:There should be battery voltage.	An open or high resistance in the wire
A17	LT BLU* 1BRN* 2	Vehicle ON mode	Measure the voltage to ground:There should be battery voltage.	An open or high resistance in the wire

*1: With auto idle stop system

*2: Without auto idle stop system

Cavity	Wire	Test condition	Test: Desired result	Possible cause if desired result is not obtained
A4	BLK	In all power modes	Measure the voltage to ground:There should be less than 0.2 V.	Poor ground (G401) An open or high resistance in the ground wire
A32	BLK	In all power modes	Measure the voltage to ground:There should be less than 0.2 V.	Poor ground (G401) An open or high resistance in the ground wire

*1: With auto idle stop system

*2: Without auto idle stop system

10. If multiple failures are found on more than one control unit, replace the body control module . If input failures are related to a particular control unit, replace the control unit.