Diagnosis Procedure
- CHECK STARTING SYSTEM
Turn ignition switch to START position.
Does the engine turn over? Does the starter motor operate?
YES: GO TO 2.
NO: Check starting system. Refer to "WORK FLOW (WITH GR8-1200 NI) ".
- CHECK CAMSHAFT POSITION SENSOR POWER SUPPLY CIRCUIT-I
- Disconnect camshaft position (CMP) sensor harness connector.
- Turn ignition switch ON.
- Check the voltage between CMP sensor harness connector and ground.
DTC CMP sensor Ground Voltage (V) Bank Connector Terminal P0340 1 F84 1 Ground Approx. 5 P0345 2 F83 1 Is the inspection result normal?
YES: GO TO 8.
NO-1: P0340: GO TO 3.
NO-2: P0345: Repair open circuit, short to ground or short to power in harness or connectors.
- CHECK CMP SENSOR POWER SUPPLY CIRCUIT-II
- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- Check the continuity between CMP sensor harness connector and ECM harness connector.
CMP sensor ECM Continuity Bank Connector Terminal Connector Terminal 1 F84 1 F111 77 Existed Is the inspection result normal?
YES: GO TO 4.
NO: Repair open circuit.
- CHECK SENSOR POWER SUPPLY CIRCUIT
Check harness for short to power and short to ground, between the following terminals.
ECM Sensor Connector Terminal Name Connector Terminal F111 76 CKP sensor F2 1 77 Camshaft position sensor (bank 1) F84 1 M160 133 Battery current sensor E21 1 133 EVAP control system pressure sensor B73 3 133 Refrigerant pressure sensor E77 3 137 APP sensor 2 (Without ICC) M9 5 137 APP sensor 2 (With ICC) M153 6 Is the inspection result normal?
YES: GO TO 5.
NO: Repair short to ground or short to power in harness or connectors.
- CHECK COMPONENTS
Check the following.
- CKP sensor (Refer to "COMPONENT INSPECTION (CRANKSHAFT POSITION SENSOR) ".)
- Camshaft position sensor (bank 1) (Refer to "COMPONENT INSPECTION (CAMSHAFT POSITION SENSOR) ".)
- Battery current sensor (Refer to "COMPONENT INSPECTION (BATTERY CURRENT SENSOR) ".)
- EVAP control system pressure sensor (Refer to "COMPONENT INSPECTION (EVAP CONTROL SYSTEM PRESSURE SENSOR) ".)
- Refrigerant pressure sensor (Refer to
"DIAGNOSIS PROCEDURE
".)
Is the inspection result normal?
YES: GO TO 6.
NO: Replace malfunctioning component.
- CHECK APP SENSOR
Refer to "COMPONENT INSPECTION (ACCELERATOR PEDAL POSITION SENSOR) ".
Is the inspection result normal?
YES: GO TO 12.
NO: GO TO 7.
- REPLACE ACCELERATOR PEDAL ASSEMBLY
Replace accelerator pedal assembly. Refer to following.
- Models without Distance Control Assist system: "MODELS WITHOUT DISTANCE CONTROL ASSIST SYSTEM: REMOVAL AND INSTALLATION "
- Models with Distance Control Assist system:
"MODELS WITH DISTANCE CONTROL ASSIST SYSTEM: REMOVAL AND INSTALLATION
"
: INSPECTION END
- CHECK CMP SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- Check the continuity between CMP sensor harness connector and ECM harness connector.
DTC CMP sensor ECM Continuity Bank Connector Terminal Connector Terminal P0340 1 F84 2 F111 68 Existed P0345 2 F83 2 99 - Also check harness for short to ground and short to power.
Is the inspection result normal?
YES: GO TO 9.
NO: Repair open circuit, short to ground or short to power in harness or connectors.
- CHECK CMP SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
- Check the continuity between CMP sensor harness connector and ECM harness connector.
DTC CMP sensor ECM Continuity Bank Connector Terminal Connector Terminal P0340 1 F84 3 F111 95 Existed P0345 2 F83 3 73 - Also check harness for short to ground and short to power.
Is the inspection result normal?
YES: GO TO 10.
NO: Repair open circuit, short to ground or short to power in harness or connectors.
- Check the continuity between CMP sensor harness connector and ECM harness connector.
- CHECK CAMSHAFT POSITION SENSOR
Refer to "COMPONENT INSPECTION (CAMSHAFT POSITION SENSOR) ".
Is the inspection result normal?
YES: GO TO 11.
NO: Replace malfunctioning camshaft position sensor.
- CHECK CAMSHAFT SPROCKET (SIGNAL PLATE)
Check the following.
- Accumulation of debris to the signal plate of camshaft sprocket (INT)
- Chipping signal plate of camshaft sprocket (INT)
Is the inspection result normal?
YES: GO TO 12.
NO: Remove debris and clean the signal plate of camshaft sprocket (INT).
- CHECK INTERMITTENT INCIDENT
Refer to "INTERMITTENT INCIDENT ".
: INSPECTION END