RM36D0EC _55 Steering _083083 POWER ASSIST SYSTEMS _0403821 POWER STEERING SYSTEM C

POWER ASSIST SYSTEMS  POWER STEERING SYSTEM  C155A16  Power Steering Motor "A" Supply Voltage Circuit Voltage Below Threshold  C155A17  Power Steering Motor "A" Supply Voltage Circuit Voltage Above Threshold  C155B16  Power Steering Motor "B" Supply Voltage Circuit Voltage Below Threshold  C155B17  Power Steering Motor "B" Supply Voltage Circuit Voltage Above Threshold  


DESCRIPTION

DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate
C155A16 Power Steering Motor "A" Supply Voltage Circuit Voltage Below Threshold PIG voltage of system 1 is lower than the standard value
·

Harness or connector

·

Rack and pinion power steering gear assembly


EPS warning light: Comes on
C155A17 Power Steering Motor "A" Supply Voltage Circuit Voltage Above Threshold PIG voltage of system 1 is higher than the standard value
·

Harness or connector

·

Rack and pinion power steering gear assembly


EPS warning light: Comes on
C155B16 Power Steering Motor "B" Supply Voltage Circuit Voltage Below Threshold PIG voltage of system 2 is lower than the standard value
·

Harness or connector

·

Rack and pinion power steering gear assembly


EPS warning light: Comes on
C155B17 Power Steering Motor "B" Supply Voltage Circuit Voltage Above Threshold PIG voltage of system 2 is higher than the standard value
·

Harness or connector

·

Rack and pinion power steering gear assembly


EPS warning light: Comes on

WIRING DIAGRAM

C375258E25
1.958,0.698 2.854,1.052 0.896,0.354 10 false from Auxiliary Battery 4.219,0.875 4.875,1.094 0.656,0.219 10 false EPS 5.052,0.615 5.667,0.833 0.615,0.219 10 false 8 5.688,0.708 6.302,0.927 0.615,0.219 10 false PIG 5.677,1.427 6.292,1.646 0.615,0.219 10 false PGND 5.052,1.333 5.667,1.552 0.615,0.219 10 false 7 5.167,2.583 5.865,2.802 0.698,0.219 10 false C54 5.167,2.75 6.667,3.25 1.5,0.5 10 false Rack and Pinion Power Steering Gear Assembly 5.271,2.052 6.615,2.313 1.344,0.26 10 false Power Steering ECU

CAUTION / NOTICE / HINT

NOTICE:
·

Inspect the fuses for circuits related to this system before performing the following procedure.

·

When replacing the rack and pinion power steering gear assembly, perform Power Steering ECU Initial Setting.

Click hereSteering>POWER ASSIST SYSTEMS>POWER STEERING SYSTEM>UTILITY



PROCEDURE

1.CHECK HARNESS AND CONNECTOR (PIG POWER SOURCE)
a.

Disconnect the C54 rack and pinion power steering gear assembly connector.

C376308C25
3.427,0.115 3.729,0.323 0.302,0.208 1.667,0.667 1.833,0.667 1.833,0.667 3.167,1.083 true 4,1.083 5.417,0.667 5.417,0.667 5.583,0.667 true 3.458,0.146 3.771,0.344 0.313,0.198 10 false C54 1.25,0.604 1.729,0.833 0.479,0.229 10 false PGND 5.635,0.594 5.948,0.792 0.313,0.198 10 false PIG 0.104,0.135 0.583,0.365 0.479,0.229 10 false *a
*a Front view of wire harness connector
(to Rack and Pinion Power Steering Gear Assembly) 		- -



b.

Measure the voltage according to the value(s) in the table below.

Standard Voltage:
Tester Connection Condition Specified Condition
C54-8 (PIG) - Body ground Always 9 to 16 V



c.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
C54-7 (PGND) - Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

REPLACE RACK AND PINION POWER STEERING GEAR ASSEMBLY

Click hereSteering>STEERING GEAR / LINKAGE>STEERING GEAR>REMOVAL


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR