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Home >> Honda >> 2021 >> CR-V EX-L, AWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC System - Testing & Troubleshooting (Except Hybrid) >> How to Information >> How to Troubleshoot the Climate Control System (Climate Control Panel with Display) >> Run the Sensor Input Display Mode

Run the Sensor Input Display Mode

1. Press and hold both the AUTO and RECIRCULATION buttons, then start the engine.

2. Release both buttons. The temperature indicator will flash the sensor number and then the value for that sensor. Record the value displayed.To advance to the next sensor, press the REAR WINDOW DEFOGGER/MIRROR DEFOGGER * button.

*: With mirror defogger

NOTE:
  • The sensor values will be displayed in degrees Celsius (deg.C) or an alphanumeric code. Use the chart to convert the value to degrees Fahrenheit (deg.F).
  • If the sensor value displays "Er", this indicates there is an open or short in the circuit or sensor. Check for DTCs using the HDS, or use the climate control self-diagnostic function.
  • If necessary, compare the sensor input display to a known-good vehicle under the same test conditions.
  • If the sensor displayed value is out of the normal range, refer to the sensor test or substitute a known-good sensor, and recheck.
  • Unsupported items shall be skipped.
Sensor Item Displayed Value
0 In-car temperature sensor deg.C
1 Outside air temperature sensor deg.C
2 Sunlight sensor 10 W/m 2
3 Engine coolant temperature deg.C
4 Evaporator temperature sensor deg.C
5 Humidity sensor %
8 Air mix opening (low value indicates cooler air distribution, higher value indicates warmer air distribution) % of opening
b Mode positioning 0.1 V
Sensor Item Displayed Value
d Recirculation control opening % of opening
F Vehicle speed (vehicle must be driven to display speed) 10 km/h
H Not used ---
L Sunlight sensor type
  • Hard Wire
  • BCAN
  • Unknown

Celsius to Fahrenheit Conversion Table 

deg.C deg.F deg.C deg.F deg.C deg.F deg.C deg.F deg.C deg.F
0 32 10 50 20 68 30 86 40 104
1 34 11 52 21 70 31 88 41 106
2 36 12 54 22 72 32 90 42 108
3 37 13 55 23 73 33 91 43 109
4 39 14 57 24 75 34 93 44 111
5 41 15 59 25 77 35 95 45 113
6 43 16 61 26 79 36 97 46 115
7 45 17 63 27 81 37 99 47 117
8 46 18 64 28 82 38 100 48 118
9 48 19 66 29 84 39 102 49 120
deg.C deg.F deg.C deg.F deg.C deg.F deg.C deg.F deg.C deg.F
50 122 60 140 70 158 80 176 90 194
51 124 61 142 71 160 81 178 91 196
52 126 62 144 72 162 82 180 92 198
53 127 63 145 73 163 83 181 93 199
54 129 64 147 74 165 84 183 94 201
55 131 65 149 75 167 85 185 95 203
56 133 66 151 76 169 86 187 96 205
57 135 67 153 77 171 87 189 97 207
58 136 68 154 78 172 88 190 98 208
59 138 69 156 79 174 89 192 99 210

Alphanumeric Conversion Table 

Display Reading (Alphanumeric) deg.C deg.F % Value
0 thru 99 0 thru 99 32 thru 210 0 thru 99 ---
A1 thru A9 -1 thru -9 30 thru 16 -1 thru -10 ---
B0 thru B9 -10 thru -19 14 thru -2 -10 thru -19 ---
C0 thru C9 -20 thru -29 -4 thru -20 -20 thru -29 ---
D0 thru D9 -30 thru -39 -22 thru -38 -30 thru -39 ---
E0 thru E9 -40 thru -49 -40 thru -56 -40 thru -49 ---
F0 thru F8 100 thru 108 212 thru 226 100 thru 108 ---
F9 109 thru 200 228 thru 392 109 thru 200 ---
-- --- --- --- 254
Er --- --- --- 255

Alphanumeric Conversion Table (Mode Positioning) 

Display Reading (%) Indication Mode Position
-01-01
GHH428648Courtesy of HONDA, U.S.A., INC.
VENT
16-18
GHH428649Courtesy of HONDA, U.S.A., INC.
HEAT/VENT-1
22-25 HEAT/VENT-2
32-34 HEAT/VENT-3
46-48
GHH428650Courtesy of HONDA, U.S.A., INC.
HEAT-1
58-61 HEAT-2
68-71
GHH428651Courtesy of HONDA, U.S.A., INC.
HEAT/DEF-1
88-90 HEAT/DEF-2
99-101
GHH428652Courtesy of HONDA, U.S.A., INC.
DEF
Not indication *2

*1: Auto mode

*2: Manual mode

4. To cancel the sensor input display mode, press the AUTO button or turn the vehicle to the OFF (LOCK) mode.