Honda Accord 2008 Manual page 594

07/11/02 09:13:34 61TA0000_110_0275
DTC P2138: APP Sensor A/B (TP Sensor D/E)
Incorrect Voltage Correlation
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 to ON (II).
2. Clear the DTC with HDS.
3. Press the accelerator pedal to the floor.
4. Check for Temporary DTCs or DTCs with the HDS.
Is DT C P2138 indicated?
YES − Go to step 5.
NO − Intermittent failure, the system is OK at this
time. Check for poor connections or loose terminals
at the APP sensor and the ECM/PCM.
5. Check APP SENSOR A and APP SENSOR B in the
DATA LIST with the HDS.
Are they the same voltage?
YES − Go to step 6.
NO − Go to step 12.
6. Turn the ignition switch to LOCK (0).
7. Jump the SCS line with the HDS.
8. Disconnect ECM/PCM connector A (49P).
9. Check for continuity between ECM/PCM connector
terminals A18 and A19.
ECM/PCM CONNECTOR A (49P)
APSA (YEL)
Terminal side of female terminals
Is there continuity?
YES − Go to step 10.
−
NO Go to step 22.
10. Disconnect the APP sensor 6P connector.
11. Check for continuity between ECM/PCM connector
terminals A18 and A19.
ECM/PCM CONNECTOR A (49P)
APSA (YEL)
Terminal side of female terminals
Is there continuity?
−
YES Repair short in the wires between ECM/PCM
connector terminals A18 (APSA line) and A19
(APSB line), then go to step 14.
NO − Go to step 13.
ＴＡ０８ＡＥＡＫ７２１０００９２１３８ＦＡＡＴ３０
APSB (ORN)
APSB (ORN)
(cont'd)
11-275
＊０１
＊０２