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HOMESERVICE MANUALSHONDA2011CR-V EX, 2.4 RE3, MZJAREPAIR AND DIAGNOSISELECTRICALGAUGESGAUGESGAUGE CONTROL MODULE INPUT TEST

2011 Honda CR-V EX, 2.4 RE3, MZJA

Gauge Control Module Input Test

2011 Honda CR-V EX, 2.4 RE3, MZJASECTION Gauge Control Module Input Test

NOTE: Before testing, do the gauge control module self-diagnosis function, and make sure the B-CAN communication line is OK.

Turn the ignition switch to LOCK (0).
Remove the gauge control module, and disconnect the 36P connector from it (see GAUGE CONTROL MODULE REPLACEMENT ).

Fig 1: Identifying Gauge Control Module 36P Connector Terminals
Courtesy of AMERICAN HONDA MOTOR CO., INC.
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 4.

With the connector still disconnected, do these input tests at the following connector.

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.

CONNECTOR TEST CONDITION REFERENCE CHART

Cavity	Wire	Test condition	Test: Desired result	Possible cause if desired result is not obtained
1	RED	Combination light switch ON	Attach to ground: The illumination of the dash lights, audio unit, and moonroof switch light should come on full.	Faulty LEDs and bulbs An open or high resistance in the wire
2	GRN	Combination light switch ON	Attach to ground: The illumination of the seat heater switch lights and HVAC control unit should come on full bright.	Faulty LEDs and bulbs An open or high resistance in the wire
9	ORN	Ignition switch ON (II), turn signal switch in LEFT	Measure the voltage to ground: There should be battery voltage when the lights are flashing.	Faulty MICU Faulty combination light switch An open or high resistance in the wire
10	BRN	Ignition switch ON (II), turn signal switch in RIGHT	Measure the voltage to ground: There should be battery voltage when the lights are flashing.	Faulty MICU Faulty combination light switch An open or high resistance in the wire

Reconnect the connector to the gauge control module, turn the ignition switch to ON (II), and do the input tests at the following connector.

If any test indicates a problem, find and correct the cause, then recheck the system.
If the input test proves OK, the gauge control module must be faulty; replace it.

CONNECTOR TEST CONDITION REFERENCE CHART

Cavity	Wire	Test condition	Test: Desired result	Possible cause if desired result is not obtained
15	BLK	In all ignition switch positions	Measure the voltage to ground: There should be less than 0.2 V.	Poor ground (G501) or an open in the ground wire An open or high resistance in the wire
19	BLK	In all ignition switch positions	Measure the voltage to ground: There should be less than 0.2 V.	Poor ground (G501) or an open in the ground wire An open or high resistance in the wire
36	YEL	Ignition switch ON (ID	Measure the voltage to ground: There should be battery voltage.	Blown No. 10 (7.5 A) fuse in the under-dash fuse/relay box An open or high resistance in the wire
18	ORN	Under all conditions	Measure the voltage to ground: There should be battery voltage.	Blown No. 23 (10 A) fuse in the under-hood fuse/relay box An open or high resistance in the wire
11	YEL	Ignition switch ON (II), washer fluid is empty in the washer reservoir	Measure the voltage to ground: There should be less than 0.2 V.	Poor ground (G201) or an open in the ground wire Faulty washer fluid level switch An open or high resistance in the wire
11	YEL	Ignition switch ON (II), washer fluid is half or more in the washer reservoir	Measure the voltage to ground: There should be at least 5 V.	Faulty washer fluid level switch A short to ground in the wire
30	ORN	Ignition switch ON (II), brake fluid is to the full level in the reservoir	Measure the voltage to ground: There should be at least 5 V.	Faulty brake fluid level switch A short to ground in the wire
30	ORN	Ignition switch ON (II), brake fluid is to the lower level in the reservoir	Measure the voltage to ground: There should be less than 0.2 V.	Poor ground (G401) or an open in the ground wire Faulty brake fluid level switch An open or high resistance in the wire
29	PUR	Ignition switch ON (II), parking brake pedal depressed	Measure the voltage to ground: There should be less than 0.2 V.	Faulty parking brake switch An open or high resistance in the wire
29	PUR	Ignition switch ON (II), parking brake pedal released	Measure the voltage to ground: There should be at least 5 V.	Faulty parking brake switch A short to ground in the wire

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.