Honda ACCORD HYBRID 2005 Service Manual page 1908

Gauges
S e l f - d i a g n o s t i c F u n c t i o n
Before troubleshooting the gauge system, refer to multiplex integrated control system B-CAN System Diagnosis Test
M o d e A (see page 22-84).
The gauge control module has a self-diagnostic function.
• The beeper drive circuit check
• The indicator drive circuit check
• The switch input test
• The LCD segments check
• The gauges drive circuit check (Speedometer, Tachometer, Fuel gauge, Coolant temperature gauge)
• The c o m m u n i c a t i o n line check (of the body-controller area network (B-CAN) c o m m u n i c a t i o n line and the frame-
controller area network (F-CAN) c o m m u n i c a t i o n line between the gauges).
NOTE: Indicators are also controlled via the c o m m u n i c a t i o n line.
Entering t h e self-diagnostic f u n c t i o n
Before running the self-diagnostic f u n c t i o n , check the No. 7 (10 A) fuse and the No. 21 (7.5 A) fuse in the under-dash
fuse/relay box.
1. Push and hold the trip/reset button.
2. Turn the headlights O N .
3. Turn the ignition switch ON (II).
4. W i t h i n 5 s e c , turn the headlights OFF, then ON and OFF again.
5. W i t h i n 5 s e c , release the trip/reset button, and then push and release the button three times repeatedly.
NOTE:
• W h i l e in the self-diagnostic m o d e , the dash lights brightness controller operates normally.
• W h i l e in the self-diagnostic m o d e , the trip/reset button is used to start the Beeper Drive Circuit Test and the Gauge
Drive Circuit Check.
• If the vehicle speed exceeds 1.2 m p h (2 km/h) or the ignition switch is turned OFF, the self-diagnostic mode ends.
O N (II)
Ignition
O F F -
S w i t c h
O N
Lighting
O F F -
S w i t c h
O N
T r i p / R e s e t
O F F -
S w i t c h
IT
1 R R R
- M o v e to self-diagnosis m o d e .
The Beeper Drive Circuit Check
W h e n entering the self-diagnostic m o d e , the beeper sounds five times.
The Indicator Drive Circuit Check
W h e n entering the self-diagnostic m o d e , the f o l l o w i n g indicator lights blink:
Seat belt indicator, charging system indicator, l o w fuel indicator, maintenance required indicator, security indicator,
high beam indicator, lights on indicator, malfunction indicator lamp (MIL), A/T gear position indicator, ABS indicator,
cruise main indicator safety indicators (doors and trunk) and IMA system indicator.
S w i t c h Input Check
After the intermittent beeper sounds at the initial stage of the self-diagnostic function, a beeper sounds continuously
w h i l e any of the f o l l o w i n g switch inputs are switched f r o m OFF to O N :
Cruise control main cruise set, cruise cancel, cruise resume, TCS OFF, and parking brake switches.
22-226