Page 296 of 1139

DTC Pl166: Ay'F Sensor (Sensor 1) Heater
Circuit Malfunction
1. Resetthe ECM (see page 11-4).
2. Start the engine.
ls DTC P1166 indicated?
YES-Go to step 3.
NO-lntermittent failure, system is OK at this lime.
Check for poor connections or loose terminals at
the Ay'F sensor relay, the A,/F sensor (Sensor 1), and
the EcM. !
3. Check the following fuse:
. No. 14 OPTION (30A)fuse in under-hood fuse/
reray Dox.. No. 2*B LAF (Ay'F) HEATER (20A) fuse in under-
dash fuse/relay box.. No. 4 ACG (10A) in underdash fuse/relay box.
Are any of the fuses blown?
YES Repair short in the wire between the Ay'F
sensor relay and the fuses.I
NO Go to step 4.
4. Measure voltage between ECM connector
terminals A1 and A24. 30 seconds after the ignition
switch is turned ON (ll).
ECM CONNECTOR A I31P)
Wire srde of lemale terminals
Is therc battery voltage?
YES-Update the ECM if it does not have the latest
soflware, or substitute a known-good ECM. then
recheck (see page 1 1-6). lf the symptom/indication
goes away with a known-good ECM, replace the
original ECM.I
NO-Go to step 5.
5. Measure voltage between ECM connector
terminals A22 and A24.
ECM CONNECTOR A {31P}
Wire side of female terminals
ls there battery voltage?
YES Go to step 6.
NO-Go to step 10.
6. Turn the ignition switch OFF.
7. Disconnect ECM connector E (31P).
8. Turn the ignition switch ON {ll).
(cont'd)
11-89
Page 298 of 1139

DTC Pl167: Ay'F Sensor (Sensor 1) Heater
Circuit Malfunction
NOTE: lf DTC P1162 is stored at the same time as DTC
P1167, troubleshoot DTC P1162 first, then troubleshoot
DTC P1167.
1. Resetthe ECI\4 (see page 11-4)
2. Start the engine. Wait for at least 80 seconds.
ls DTC P01167 ind icated?
YES Go to step 3.
NO-lntermittent failure, system is OK at this time.
Check for poor connections or loose terminals at
the Ay'F sensor relay, at the Ay'F sensor (Sensor 1),
and at the ECM.I
Turn the ignition switch OFF.
Disconnect the A,/F sensor 4P connector and ECM
connector A (31P).
Connect the Ay'F sensor (Sensor 1) 4P connector
terminals No. 2 and No. 1 with a jumper wire.
?
5.
A/F SENSOR (SENSOR 1)4P CONNECTOR
JUMPER WIRE
Wire side offemale terminals
6. Check for continuity between ECM connector
terminals ,46 and 416.
ECM CONNECTOR A {31P)
AFS- {RED)
trTzTil,ils llt9
t82C21
l?rlzsIels
AFSIRED/YEL)
Wire side of lemale terminals
ls thete continuity?
YES-Replace the A/F sensor (Sensor 1).1
NO-Repair open in the wire between the Ay'F
sensor (Sensor 1 ) and the ECM (46 or A16).I
11-91
Page 299 of 1139

PGM-FI System
I
a
DTC Troubleshooting (cont'dl
DTC Pl297: ELD Circuit Low Voltage
1. Reset the ECM {see page 11-4).
2. Start the engine.
3. Turn on the headlights.
ls DTC P1297 indicated?
YES Go to step 4.
NO Intermittent failure, system is OK at this time.
Check for poor connections or loose terminals at
the ELD and at the ECM.I
4. Turn the ignition switch and the headlights OFF.
5. Disconnectthe ELD 3P connector.
6. Turn the ignition switch ON {ll).
7. Measure voltage between body ground and ELD 3P
connector terminal No. 3.
ELO 3P CONNECTOB
{GRN/REDI
Wire side of female terminals
ls there about 5 V?
YES Replace the ELD. t
NO-Go to step 8.
Z3ELD
11-92
8. Turn the ignition switch OFF.
9. Disconnect ECM connector E {31P).
10. Check for continuity between body ground and
ECM connector terminal E15.
ECM CONNECTOR E 131PI
I l2l3456178I
totd/ 12021,2 2al2/tA31
ELD(GRN/RED}7\'
Wire side of female terminals
ls there continuity?
YES-Repair short in the wire between the ECM(E 15) and the ELD. r
NO- U pdate the ECM if it does not have the latest
software, or substitute a known-good ECM, then
recheck (see page 1 1-6). lf the symptom/indication
goes away with a known-good ECM, replace the
original ECM.I
Page 300 of 1139

DTC Pl298: ELD Circuit High Voltage
1. Resetthe ECM (see page 11-4)
2. Stan the engine.
3. Turn on the headlights.
ls DTC P1298 indicated?
YES-Go to step 4.
NO- Intermittent failure. system is OK at this time.
Check for poor connections or loose terminals at
the ELD and at the ECM.I
4. Turn the ignition switch and headlights OFF.
5. Disconnectthe ELD 3P connector.
6. Turn the ignition switch ON (ll).
7. Measure voltage between body ground and ELD 3P
connector terminal No. 1.
ELD 3P CONNECTOR
IG1 IBLK/ORNI
Wire side ot {emale terminals
ls there battery voltage?
YES-Go to step 8.
NO-Checkthe No. 4 ACG (10A)fuse in the under-
dash fuse/relay box. lf the fuse is OK, repair open in
the wire between the No. 4 ACG (10A) fuse and the
ELD.I
8.
9.
10.
11.
Turn the ignition switch OFF.
Connect ELD 3P connector terminal No. 3 to body
ground with a jumper wire.
Disconnect ECM connector E (31P).
Check for continuity between body ground and
ECM connector terminal E15.
ECM CONNECTOR E 131PI
1 21345ot/II
14LC6l/ 182C21
22123 2421 ./2Q30J
ELDIGRN/RED)i1'
Wire side of female terminals
Is thete continuity?
YES-Go to step 12.
NO Repair open in the wire between the ECM
(E15) and the ELD.
(cont'd)
ELD 3P CONNECTOR
---F-------
l1l2 :rlELD(GRN/RED)
IJUMPER wrRE
II
Wire side of temale terminals
11-93
Page 302 of 1139

3.
4.
5.
6.
DTC Pl361: Camshaft Position (CMP) Sensor
B (TDC Sensor) Intermittent Interruption
DTC Pl362: Camshaft Position (CMP) Sensor
B (TDC Sensor) No Signal
1. Reset the ECM (see page 11-4).
2. Start the engine.
ls DTC P1361 and/or P1362 indicated?
YES Go to step 3.
NO- Intermittent failure. system is OK at this time.
Check for poor connections or loose terminals at
the CMP sensor B (TDC sensor) and at the ECM.I
Turn the ignition switch OFF.
Disconnectthe CMP sensor B (TDC sensor) 3P
connector.
Turn the ignition switch ON (ll).
Measure voltage between CMP sensor B (TDC
sensor) 3P connector terminal No. 3 and body
grouno.
CMP SENSOR B {TDC SENSOR) 3P CONNECTOR
{YEL/BLK}
Wire side ol temale terminals
ls there battety voltage?
YES Go to step 7.
NO-Repair open in the wire between the PGM-Fl
main relay 1 and the CMP sensor I (TDC sensor).I
IGP
123
7. l\4easure voltage between CMP sensor B {TDC
sensor) 3P connector terminal No. 1 and body
ground.
CMP S€NSOR 8 ITDC SENSOR) 3P CONNECTOR
Wlre s de ollemaleterminals
ls there about 5 V?
YES-Go to step 8.
NO-Go to step 10.
8. Measure voltage between Cl\ilP sensor B (TDC
sensor) 3P connector terminals No. 2 and No, 3.
CMP SENSON B llOC SENSOfi) 3P CONNECTOF
Wire s de olfema etefminals
ls there battery voltage?
YES-Go to step 9.
NO Repair open in the wire between the CMP
sensor B (TDC sensor) and G101.1
9. Substitute a known-good CMP sensor B (TDC
sensor) and recheck.
ls DTC P1361 and/or P1362 indicated?
YES Update the ECM if it does not have the latest
software, or substitute a known-good ECM, then
recheck (see page 11-6). lf the symptom/indication
goes away with a known-good ECM, replace the
original ECM.I
NO Replace the original CMPsensorB(TDC
sensor).1
(cont'd)
11-95
Page 303 of 1139

PGM-FI System
DTC Troubleshooting (cont'd)
10. Measure voltage between ECI\4 connectorterminal
A26 and body ground.
ECM CONNECTOR A (31P)
12345617I
011 121./61,/ 18I2C2l
23 2421 m30
TDC {GRN}
Wire side oI temale terminals
ls there about 5 V ?
YES - Repair open in the wire between the ECM(426) and CMP sensor B (TDC sensor).1
NO-Go to step 11.
Turn the ignition switch OFF.
Disconnect ECIM connector A (31P)
Check for continuity between ECM connector
terminal 426 and body ground.
ECM CONNECTOR A {31PI
Wire side of female terminals
ls there continuity?
YES Repair short in the wire between the ECM(426) and the CMP sensor B (TDC sensor).1
NO Update the ECM if it does not have the latest
software, or substitute a known-good ECM, then
recheck (see page 11-6). lf the symptom/indication
goes away with a known-good ECM, replace the
original ECM.I
11.
12.
11-96
DTC Pl607: Malfunction in ECM Internal
Circuit
1. Resetthe EC|\il lsee page 11-4).
2, Turn the ignition switch ON (ll), and wait for
40 seconds.
ls DTC P 1607 indicated?
YES Update the ECM if it does not have the latest
software, or substitute a known-good ECM, then
recheck (see page 11 6). lf the symptom/indication
goes away with a known-good ECM, replace the
original ECM.I
NO Intermittent failure, system is OK at this time.
A low battery can cause this problem . Ask the
customer if there has been any recent trouble
starting the engine.l
\
Page 325 of 1139

VTEC/VTC
DTG Troubleshooting
DTC P0010: WC Oil Control Solenoid ValveMalfunction
1. Resetthe ECM (see page 11-4).
2. Start the engine. Hold the engine at 3,000 rpm withno load (in neutral) until the radiator fan comes on,
then let it idle.
3. Test-drive at a steady speed between 20-40 mph(30-60 km/h) for 10 minutes.
ls DTC P0010 indicated ?
YES Go to step 4.
NO- Intermittent failure, system is OK at this time.
Check for poor connections or loose terminals at
the VTC oil control solenoid valve and at theECM.I
4. Turn the ignition switch OFF.
5. Disconnect the ECM connector B {24P).
6. Measure resistance between ECrU connector
terminals B1 and 823.
ECM CONNECTOR B I24P)
Wire side of female terminals
ls there 6.75 8.25 Q ?
YES Go to step 1 1.
NO Go to step 7.
7. Disconnect the VTC oil control solenoidvalve2P
connector.
11-118
8. Measure resistance between VTC oil control
solenoid valve 2P terminals No. 1 and No. 2.
VTC OIL CONTAOL SOLENOIDVAI"VE 2P CONNECTOB
Termina sid6 otmate termina s
ls there 6.75 8.25 Q ?
YES-Go to step L
NO-Replace the VTC oil control solenoid valve(see page 11-1271.a
9. Connect VTC oil control solenoidvalve2P
connector terminals No. 1 and No. 2 to bodyground with a jumperwire individually.
wc otl coNTBoL sotENotoVALVE 2P CONNECTOR
-4-t1t2l
wc I lwc*tBr-K/wHT) | liELU/WHT)JUMPER WTREI IJUMPEn W|RE
Wire side of16male te.minats
10. Check for continuity between ECM connector
terminals B1 and 823 and body ground individually.
ls there continuity?
YES Go to step 11.
NO- Repair open in the wire between the ECM (B 1,
B23) and the VTC oil control solenoid valve.I
\
Page 326 of 1139

11. Check for continuity between ECM connector
terminals B1 and B23 and body ground individually.
VTC(BtK/WHT)
ls there continuity?
YES Go to step 12.
NO Update the ECM if it does not have the latest
software, or substitute a known-good ECM, then
recheck (see page 11-6). lf the symptom/indication
goes away with a known-good ECM, replace the
original EClvl. !
Disconnect the VTC oil control solenoid valve 2P
connector.
Check for continuity between ECM connector
terminals B1 and 823 and body ground individually.
12.
13.
vfc(8LK/WHT)
Wire side of female rermina s
ls there continuity?
YES-Repair short in the wire between the ECM (B1,
B23) and the VTC oil control solenoid valve.l
NO Replace the VTC oil control solenoid valve
(see page 11-1211.a
4.
DTC P0011: VTC System Malfunction
1. Reset the EClvl (see page 1 1-4).
2. Start the engine. Hold the engine at 3,000 rpm with
no load (in neutral) until the radiator fan comes on.
3. Test-drive at a steady speed between 20 40 mph
(30 60 km/h) for 10 minutes.
Check for Temporary DTC P0011 with the scan tool
ls Tempotaty DTC P0011 indicated?
YES-Go to step 5.
NO- Intermittent failu re, system is OK at this time.
Check for poor connections or loose wires at the
VTC oil control solenoid valve and at the ECM.I
Watch the low oil pressure light with the engine
ru n n ing.
ls the low oil pressute light on?
YES- Check the oil pressure (see page 8-4).I
NO-Go to step 6.
Turn the ignition switch OFF.
Remove the auto-tensioner (see page 4-28).
6.
7.
(cont'd)
11-119