Toyota Celica 2005 Repair Manual page 674

1 Read output DTC.
PREPARATION:
(a) Connect the hand−held tester or the OBD II scan tool to the DLC3.
(b) Turn the ignition switch ON and push the hand−held tester or the OBD II scan tool main switch ON.
(c) When using hand−held tester, enter the following menus: DIAGNOSIS / ENHANCED OBD II / DTC
INFO / CURRENT CODES.
(d) Clear the DTCs.
(e) Warm up the engine.
(f) Run the engine at 3,000 rpm for 10 seconds or more.
CHECK:
Read the DTCs.
RESULT:
Display (DTC output)
P0327 and/or P0328
A
2 Check for open and short in harness and connector between ECM and knock
sensor.
EKNK (−)
OK
2005 CELICA (RM1131U)
DIAGNOSTICS
No output
KNK1(+)
ECM Connector
A21264
− ENGINE (2ZZ−GE)
B Check for intermittent problems
(See page DI−295)
PREPARATION:
Disconnect the E11 ECM connector.
CHECK:
Measure the resistance between the terminals of the ECM con-
nector.
OK:
Resistance: 120 to 280 kΩ at 20 °C (68 °F)
NG Go to step 4.
673
Proceed to
A
B
DI−475