RSX L4-2.0L (VTEC) (2002)
52. Measure voltage between body ground and ECM/PCM connector terminal A21.
Is there about 5 V?
YES - Go to step 59.
NO - Go to step 53.
53. Turn the ignition switch OFF.
54. Disconnect the 3P connector from each of these sensors, one at a time, and measure voltage between body ground and ECM/PCM connector
terminal A21 with the ignition switch ON (II).
-
Manifold absolute pressure (MAP) sensor
-
Intake manifold runner control (IMRC) valve position sensor (K20A3 engine)
-
Countershaft speed sensor (A/T)
Is there about 5 V?
YES - Replace the sensor that restored 5 V when disconnected.
NO - Go to step 55.
55. Turn the ignition switch OFF.
56. Disconnect the 3P connectors from the following sensors.
-
Manifold absolute pressure (MAP) sensor
-
Intake manifold runner control (IMRC) valve position sensor (K20A3 engine)
-
Countershaft speed sensor (A/T)
57. Disconnect ECM/PCM connector A (31P).