Honda Ridgeline. Manual — part 139
01
SJC8A00A20336359401MFAT00
11-320
Intake Air System
Throttle Body Disassembly/Reassembly
3.5 N·m (0.35 kgf·m, 2.5 lbf·ft)
MAP SENSOR
O-RING
THROTTLE BODY
12 N·m
(1.2 kgf·m, 8.7 lbf·ft)
Replace.
01
SJC8A00A20336312385KBAT00
11-321
Accelerator Pedal Replacement
A
B
SILICONE GREASE
(P/N 08798-9002)
C
13 N·m
(1.3 kgf·m,
9.4 lbf·ft)
1. Remove the throttle cable (A) from the accelerator
pedal (B).
2. Remove the nuts (C) and the accelerator pedal.
3. Install the parts in the reverse order of removal.
*01
*02
SJC8A00A20316100000DAAT00
11-322
Catalytic Converter System
Component Location Index
FRONT WARM UP THREE WAY
CATALYTIC CONVERTER (WU-TWC)
(BANK 2)
REAR WARM UP THREE WAY
CATALYTIC CONVERTER (WU-TWC)
(BANK 1)
UNDER-FLOOR THREE WAY
CATALYTIC CONVERTER (TWC)
POWERTRAIN CONTROL MODULE (PCM)
Removal/Installation, page 11-325
Removal/Installation, page 11-325
Removal/Installation, page 9-7
Update, page 11-7
Substitution, page 11-8
Replacement, page 11-205
−
−
SJC8A00K77100090420FAAT30
−
−
−
−
DTC P0420:
DTC P0430:
YES
NO
YES
NO
11-323
DTC Troubleshooting
Rear Bank Catalyst System
Efficiency Below Threshold (Bank 1)
Front Bank Catalyst System
Efficiency Below Threshold (Bank 2)
NOTE:
• Before you troubleshoot, record all freeze data and
any on-board snapshot, and review the general
troubleshooting information (see page 11-3).
• If some of the DTCs listed below are stored at the
same time as DTC P0420 and/or P0430 , troubleshoot
those DTCs first, then recheck for DTC P0420 and/or
P0430 .
P0137, P0138, P0157, P0158, P2270, P2271, P2272 ,
P2273 : Secondary HO2S (Sensor 2)
P0141, P0161: Secondary HO2S (Sensor 2) heater
• Poor quality fuel can cause these DTCs.
• Information marked with an asterisk ( ) applies to the
front bank (Bank 2).
1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS.
3. Start the engine. Hold the engine speed at
3,000 rpm without load (in Park or neutral) until the
radiator fan comes on, then let it idle.
4. Test-drive under these conditions:
• Engine coolant temperature (ECT SENSOR 1)
above 158 °F (70 °C)
• Transmission in D position
• Vehicle speed between 45
75 mph
(72
120 km/h) for 5 minutes or more
• Maintain the vehicle speed at 55 mph (88 km/h)
for 5 minutes or more with cruise control set
5. Monitor the OBD STATUS for DTC P0420 and/or
P0430 in the DTCs MENU with the HDS.
Go to step 6.
Go to step 4 and recheck.
6. Continue test driving until a result comes on.
7. Monitor the OBD STATUS for DTC P0420 and/or
P0430 in the DTCs MENU with the HDS.
Go to step 8.
If the screen indicates PASSED, intermittent
failure, the system is OK at this time. If the screen
indicates EXECUTING, keep driving until a result
comes on. If the screen indicates OUT OF
CONDITION, go to step 4 and recheck.
8. Turn the ignition switch OFF.
9. Replace the WU-TWC:
• For DTC P0420, replace the rear WU-TWC
(Bank 1) (see page 11-326),
• For DTC P0430, replace the front WU-TWC
(Bank 2) (see page 11-325),
10. Turn the ignition switch ON (II).
11. Reset the PCM with the HDS.
12. Do the PCM idle learn procedure (see page 11-273).
(cont’d)
Does the scr een indicate EX ECUT ING?
Does the scr een indicate F AILED?
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