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:
NOTE: Refer to the applicable Instruction Manual for proper charging system diagnosis procedures.
OVERALL SEQUENCE
DETAILED FLOW
NOTE: To ensure a complete and thorough diagnosis, the battery, starter and generator test segments must be done as a set from start to finish.
1.PRELIMINARY INSPECTION
Perform the preliminary inspection
2.STOP POWER GENERATION VOLTAGE VARIABLE CONTROL SYSTEM
Stop the operation of the power generation voltage variable control in either of the following procedures.
3.DIAGNOSIS WITH EXP-800 NI OR GR8-1200 NI
Perform the charging system test using Multitasking battery and electrical diagnostic station GR8-1200 NI or Battery and electrical diagnostic analyzer EXP-800 NI. Refer to the applicable Instruction Manual for proper testing procedures.
4.INSPECTION WITH CHARGE WARNING LAMP (IGNITION SWITCH IS ON)
Turn the ignition switch ON.
5."L" TERMINAL CIRCUIT (OPEN) INSPECTION
Check "L" terminal circuit (open).
6.INSPECTION WITH CHARGE WARNING LAMP (IDLING)
Start the engine and run it at idle.
7."L" TERMINAL CIRCUIT (SHORT) INSPECTION
Check "L" terminal circuit (short).
8."S" TERMINAL CIRCUIT INSPECTION
Check "S" terminal circuit
9.INSPECTION WITH CHARGE WARNING LAMP (ENGINE AT 3,000 RPM)
Increase and maintain the engine speed at 3,000 rpm.
10.INSPECTION OF GENERATOR PULLEY
Check generator pulley.
11."B" TERMINAL CIRCUIT INSPECTION
Check "B" terminal circuit
12."B" TERMINAL CIRCUIT INSPECTION
Check "B" terminal circuit
13.INSPECTION OF GENERATOR PULLEY
Check generator pulley
14."S" TERMINAL CIRCUIT INSPECTION
Check "S" terminal circuit.
Work Flow (Without EXP-800 NI or GR8-1200 NI)
OVERALL SEQUENCE
Before performing a generator test, make sure that the battery is fully charged. A 30-volt voltmeter and suitable test probes are necessary for the test.
DETAILED FLOW
1.PRELIMINARY INSPECTION
Perform the preliminary inspection
2.STOP POWER GENERATION VOLTAGE VARIABLE CONTROL SYSTEM
Stop the operation of the power generation voltage variable control in either of the following procedures:
3.INSPECTION WITH CHARGE WARNING LAMP (IGNITION SWITCH IS TURNED ON)
When ignition switch is turned ON.
4.INSPECTION WITH CHARGE WARNING LAMP (IDLING)
Start the engine and run it at idle
5.INSPECTION WITH CHARGE WARNING LAMP (ENGINE AT 2,500 RPM)
Increase and maintain the engine speed at 2,500 rpm.
6."L" TERMINAL CIRCUIT (SHORT) INSPECTION
Check terminal "L" circuit for (short).
7. "S" TERMINAL CIRCUIT INSPECTION
Check terminal "S" circuit.
8.MEASURE "B" TERMINAL VOLTAGE
Start engine. With engine running at 2,500 rpm, measure "B" terminal voltage.
9."B" TERMINAL CIRCUIT INSPECTION
Check "B" terminal circuit
10.INSPECTION WITH CHARGE WARNING LAMP (IGNITION SWITCH IS ON)
11.CHECK "L" TERMINAL CIRCUIT (OPEN)
Check "L" terminal circuit (OPEN).
RGB AREA (YS) signal circuit
Description
Transmits the display area of RGB image displayed by AV control unit with RGB
area (YS) signal to display unit.
Diagnosis Procedure
1.CHECK CONTINUITY RGB AREA (YS) SIGNAL CIRCUIT
Turn ignition switch OFF.
Disconnect display unit connector M141 and AV control unit
conne ...
Power window lock switch
Component Function Check
1. CHECK POWER WINDOW LOCK
Activate the power window lock switch and verify that the front power window
RH, rear power window LH and
rear power window RH are inoperative.
Component Inspection
1. CHECK POWER WINDOW LOCK SWITCH
Disconnect main power window and door ...
ECU diagnosis information
POWER STEERING CONTROL UNIT
Reference Value
TERMINA LAYOUT
PHYSICAL VALUES
CAUTION: When using circuit tester or oscilloscope to
measure voltage for inspection, be sure not to extend forcibly any connector
terminals.
Fail Saf
EPS system
EPS system enters the fail-safe mode (that al ...