Dtc P1297: Eld Circuit Low Voltage - Honda S2000 Service Manual

PGM-FI System
DTC Troubleshooting (cont'd)
DTC P1297: ELD Circuit Low Voltage
1. Reset the ECI\4 (see page 11-4).
2. Stan the engine.
3, Turn on the headlights.
ls DTC P1297 indicated?
YES Go to step 4.
NO lntermittent failure, system is OK at this tlme.
Check for poor connections or loose terminals at
the ELD and at the ECM. t
4. Turn the ignition switch and headlights OFF.
5. Disconnectthe ELD 3P connector.
6. Turn the ignition switch ON (ll).
7. Measure voltage between ELD 3P connector
t e r m i n a l N o . 3 a n d b o d y g r o u n d
ELD 3P CONNECTOR
{GRN/RED)
Wire side ot Iemale terminals
ls there about 5 V?
Y E S . - R e p l a c e t h e E L D . I
NO Go to step 8.
T 2
3
ELD
11-78
8. Turn the ignition switch OFF.
9. Disconnect ECM connector A (32P).
10. Check for continuity between ECM connector
t e r m i n a l A 3 0 a n d b o d y g r o u n d .
ECM CONNECTOR A (32PI
Wire side oI female terminals
ls Ihere continuity?
YES- Repair short in the wire between the ECM
(A30) and the ELD. !
NO Substitute a known,good ECM and recheck
{see page 1 1-5). lf the symptom/indication goes
away. replace the original ECM.I
2 3
4 6 9
t0
12 t3 t5
1 7 1 8
m
21
25 26 21
28 29 30
ELD {GRN/RED}
o'