Honda Accord 2008 Manual page 539

07/11/02 09:11:02 61TA0000_110_0220
PGM-FI System
DLC Circuit Troubleshooting (cont'd)
72. Check for continuity between ECM/PCM connector
terminal C13 and body ground.
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Is there continuity?
YES
−
NO
• A/T: Go to step 74.
• M/T: Go to step 76.
73. Continue to check for continuity between ECM/PCM
connector terminal C13 and body ground, while
disconnecting these connectors, one at a time:
• MAP sensor 3P connector
• Output shaft (countershaft) speed sensor 3P
connector
Does continuity go away when one of the above
connectors is disconnected?
YES
was disconnected.
−
NO
PCM (C13) and the MAP sensor or the output shaft
(countershaft) speed sensor.
11-220
ECM/PCM CONNECTOR C (49P)
VCC1 (YEL/RED)
Terminal side of female terminals
− Go to step 73.
− Replace the part that caused an open when it
Repair short in the wire between the ECM/
74. Check for continuity between ECM/PCM connector
terminal B19 and body ground.
ECM/PCM CONNECTOR B (49P)
VCC2 (YEL/BLU)
Terminal side of female terminals
Is there continuity?
YES − Go to step 75.
−
NO Go to step 76.
75. Continue to check for continuity between ECM/PCM
connector terminal B19 and body ground while
disconnecting the input shaft (mainshaft) speed
sensor 3P connector.
Is there continuity?
YES − Repair short in the wire between the ECM/
PCM (B19) and the input shaft (mainshaft) speed
sensor.
NO − Replace the input shaft (mainshaft) speed
sensor (see page 14-236).
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