Honda Ridgeline. Manual — part 90
07
08
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−
−
−
−
−
YES
NO
YES
NO
YES
NO
11-124
PGM-FI System
DTC Troubleshooting (cont’d)
PCM CONNECTOR B (44P)
IGP (YEL/BLK)
A
17. Measure voltage between PCM connector terminal
B3 and body ground.
Repair short to power in the wire between
the PCM (B3) and PGM-FI main relay 1 (FI MAIN),
then go to step 19.
Go to step 18.
18. Replace PGM-FI main relay 1 (FI MAIN) (A).
19. Reconnect all connectors.
20. Turn the ignition switch ON (II).
21. Reset the PCM with the HDS.
22. Turn the ignition switch OFF.
23. Wait 10 seconds.
24. Do the PCM idle learn procedure (see page 11-273).
25. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals at PGM-FI main relay 1 (FI MAIN) and the
PCM, then go to step 1.
Troubleshooting is complete. If any other
Temporary DTCs or DTCs are indicated, go to the
indicated DTC’s troubleshooting.
26. Reconnect all connectors.
27. Update the PCM if it does not have the latest
software (see page 11-7), or substitute a known-
good PCM (see page 11-8).
28. Check for Temporary DTCs or DTCs with the HDS.
Check for poor connections or loose
terminals at PGM-FI main relay 1 (FI MAIN) and the
PCM. If the PCM was updated, substitute a known-
good PCM (see page 11-8), then recheck. If the PCM
was substituted, go to step 1.
If the PCM was updated, troubleshooting is
complete. If the PCM was substituted, replace the
original PCM (see page 11-205). If any other
Temporary DTCs or DTCs are indicated, go to the
indicated DTC’s troubleshooting.
Terminal side of female terminals
Is ther e batter y voltage?
Is DT C P0563 indicated?
Is DT C P0563 indicated?
SJC8A00K77100090602FAAT00
SJC8A00K77100090603FAAT30
−
−
−
−
−
−
DTC P0602:
DTC P0603:
YES
NO
YES
NO
YES
NO
11-125
11-125
PCM Programming Error
PCM Internal Circuit Malfunction
(Keep Alive Memory (KAM) Error)
NOTE:
• Before you troubleshoot, record all freeze data and
any on-board snapshot, and review the general
troubleshooting information (see page 11-3).
• This DTC is indicated when a PCM update is not
completed.
• Do not turn the ignition switch OFF while updating
the PCM. If you turn the ignition switch OFF before
completion, the PCM can be damaged.
1. Do the PCM update procedure (see page 11-7).
2. Check for Temporary DTCs or DTCs with the HDS.
Replace the original PCM (see page 11-205).
The update is complete.
NOTE: Before you troubleshoot, record all freeze data
and any on-board snapshot, and review the general
troubleshooting information (see page 11-3).
1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS.
3. Check for Temporary DTCs or DTCs with the HDS.
Go to step 4.
Intermittent failure, the system is OK at this
time.
4. Update the PCM if it does not have the latest
software (see page 11-7), or substitute a known-
good PCM (see page 11-8).
5. Check for Temporary DTCs or DTCs with the HDS.
If the PCM was updated, substitute a known-
good PCM (see page 11-8), then recheck. If the PCM
was substituted, go to step 1.
If the PCM was updated, troubleshooting is
complete. If the PCM was substituted, replace the
original PCM (see page 11-205). If any other
Temporary DTCs or DTCs are indicated, go to the
indicated DTC’s troubleshooting.
Is DT C P0602 indicated?
Ar e any T empor ar y DT Cs or DT Cs indicated?
Is DT C P0603 indicated?
SJC8A00K77100090630FAAT30
−
−
−
−
−
−
−
−
−
−
DTC P0630:
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
11-126
PGM-FI System
DTC Troubleshooting (cont’d)
VIN Not Programmed or
Mismatch
NOTE:
• Before you troubleshoot, record all freeze data and
any on-board snapshot, and review the general
troubleshooting information (see page 11-3).
• This DTC is stored only when the PCM does not have
the VIN information of the vehicle. Use the HDS to
input the missing VIN information.
1. Turn the ignition switch ON (II).
2. Check the VIN with the HDS.
Go to step 5.
Go to step 3.
3. Input the VIN to the PCM with the HDS.
Go to step 5.
Go to step 4.
4. Check for DTCs with the HDS.
Do the troubleshooting for P0603 (see page
11-125).
Go to step 9.
5. Clear the DTC with the HDS.
6. Turn the ignition switch OFF.
7. Turn the ignition switch ON (II), and wait 5 seconds.
8. Check for Temporary DTCs or DTCs with the HDS.
Go to step 9.
Intermittent failure, the system is OK at this
time. If any other Temporary DTCs or DTCs are
indicated, go to the indicated DTC’s
troubleshooting.
9. Update the PCM if it does not have the latest
software (see page 11-7), or substitute a known-
good PCM (see page 11-8).
10. Check for Temporary DTCs or DTCs with the HDS.
If the PCM was updated, substitute a known-
good PCM (see page 11-8), then recheck. If the PCM
was substituted, go to step 1.
If the PCM was updated, troubleshooting is
complete. If the PCM was substituted, replace the
original PCM (see page 11-205). If any other
Temporary DTCs or DTCs are indicated, go to the
indicated DTC’s troubleshooting.
Does the HDS show the vehicle’s V IN?
Does the scr een show COMPLET E?
Is DT C P0603 indicated?
Is DT C P0603 indicated?
Is DT C P0630 indicated?
SJC8A00K77100090641FAAT30
−
−
−
−
−
−
−
−
−
−
DTC P0641:
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
11-127
Sensor Reference Voltage A
Malfunction
NOTE: Before you troubleshoot, record all freeze data
and any on-board snapshot, and review the general
troubleshooting information (see page 11-3).
1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS.
3. Check for Temporary DTCs or DTCs with the HDS.
Go to step 4.
Intermittent failure, the system is OK at this
time. Check for poor connections or loose terminals
at the PCM and these connectors:
• MAP sensor
• APP sensor
• Front/rear A/F sensor (Sensor 1)
• IMT actuator
• EGR valve
• FTP sensor
• Input shaft (mainshaft) speed sensor
• Output shaft (countershaft) speed sensor
4. Turn the ignition switch OFF.
5. Disconnect the MAP sensor 3P connector.
6. Turn the ignition switch ON (II).
7. Clear the DTC with the HDS.
8. Check for Temporary DTCs or DTCs with the HDS.
Go to step 9.
Replace the MAP sensor (see page 11-204),
then go to step 53.
9. Turn the ignition switch OFF.
10. Disconnect the APP sensor 6P connector.
11. Turn the ignition switch ON (II).
12. Clear the DTC with the HDS.
13. Check for Temporary DTCs or DTCs with the HDS.
Go to step 14.
Replace the APP sensor (see page 11-249),
then go to step 53.
14. Turn the ignition switch OFF.
15. Disconnect the front A/F sensor (Bank 2, Sensor 1)
8P connector.
16. Turn the ignition switch ON (II).
17. Clear the DTC with the HDS.
18. Check for Temporary DTCs or DTCs with the HDS.
Go to step 19.
Replace the front A/F sensor (Bank 2,
Sensor 1) (see page 11-199), then go to step 53.
19. Turn the ignition switch OFF.
20. Disconnect the rear A/F sensor (Bank 1, Sensor 1)
8P connector.
21. Turn the ignition switch ON (II).
22. Clear the DTC with the HDS.
23. Check for Temporary DTCs or DTCs with the HDS.
Go to step 24.
Replace the rear A/F sensor (Bank 1, Sensor 1)
(see page 11-199), then go to step 53.
(cont’d)
Is DT C P0641 indicated?
Is DT C P0641 indicated?
Is DT C P0641 indicated?
Is DT C P0641 indicated?
Is DT C P0641 indicated?
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