DESCRIPTION
When a malfunction is detected in the PIG power source and power supply relay system, the fail-safe function suspends power assist.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Warning Indicate | Return-to-normal Condition | Note |
---|---|---|---|---|---|---|
C1552 | PIG Power Supply Voltage | PIG power source circuit malfunction |
| EPS warning light: Comes on | Power switch is turned on (IG) again | - |
C1554 | Power Supply Relay Failure | Power source relay circuit malfunction |
| EPS warning light: Comes on | Power switch is turned on (IG) again | - |
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Click here
PROCEDURE
1. | CHECK HARNESS AND CONNECTOR (RACK AND PINION POWER STEERING GEAR ASSEMBLY - BODY GROUND) |
(a) Disconnect the C37 rack and pinion power steering gear assembly connector.
*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 |
---|---|---|
C37-8 (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 |
---|---|---|
C37-7 (PGND) - Body ground | Always | Below 1 Ω |
OK | REPLACE RACK AND PINION POWER STEERING GEAR ASSEMBLY |
NG | REPAIR OR REPLACE HARNESS OR CONNECTOR |