Steering Column Adjustment Inoperative

If steering column adjustment is inoperative, check the following as possible cause as possible cause and repair as necessary:

• Check wiring. See WIRING DIAGRAMS .
• Perform TEST 17:  STEERING COLUMN SWITCH RESISTANCE OUTPUT under SYSTEM TESTS.
• Perform TEST 18:  STEERING COLUMN TELESCOPIC MOTOR VOLTAGE SUPPLY under SYSTEM TESTS.
• Perform TEST 19:  STEERING COLUMN TILT MOTOR VOLTAGE SUPPLY under SYSTEM TESTS.
• Check CAN data line. Perform TEST 21 through TEST 25 under SYSTEM TESTS in POWER SEATS article.
• Replace combination control module.
• Replace steering column adjustment motor.
• Replace steering column adjustment switch.