Description
ECM supplies a voltage of 5 V to some of the sensors systematically divided into 2 groups, respectively.
Accordingly, when a short circuit develops in a sensor power source, a malfunction may occur simultaneously in the sensors belonging to the same group as the short-circuited sensor.
Sensor power supply 1
NOTE: If sensor power supply 1 circuit is malfunctioning, DTC P0643 is displayed.
Sensor power supply 2
Diagnosis Procedure
1.CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT-1

Is the inspection result normal? YES >> INSPECTION END
NO >> GO TO 2.
2.CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT-2

Is the inspection result normal? YES >> GO TO 3.
NO >> Repair open circuit.
3.CHECK SENSOR POWER SUPPLY 2 CIRCUIT

Is the inspection result normal? YES >> GO TO 4.
NO >> Repair short to ground or short to power in harness or connectors.
4.CHECK COMPONENTS
Check the following.
Is the inspection result normal? YES >> Refer to GI-41, "Intermittent Incident".
NO >> Replace malfunctioning component.
Refrigerant pressure sensorPreparation
Special Service Tool
The actual shape of the tools may differ from those illustrated here.
Tool number
(TechMate No.)
Tool name
Description
—
(J-43897-18)
Oxygen sensor thread cutter
Reconditioning the exhaust system threads
before installing ...
Input speed sensor
Exploded View
Input speed sensor
O-ring
Transaxle assembly
: Always replace after every
disassembly.
: N·m (kg-m, in-lb)
: Apply CVT fluid
Removal and Installation
REMOVAL
Remove battery tray. Refer to TM-207, "Removal and Installation".
Remove the ...
Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow (With EXP-800 NI or GR8-1200 NI)
CHARGING SYSTEM DIAGNOSIS WITH EXP-800 NI OR GR8-1200 NI
To test the charging system, use the following special service tools:
EXP-800 NI Battery and electrical diagnostic analyzer
GR8-1200 NI Multitasking ...